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    <loc>https://metasystema.org/rfc/3285-using-microsoft-word-to-create-internet-drafts-and-rfcs</loc>
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    <loc>https://metasystema.org/rfc/3286-an-introduction-to-the-stream-control-transmission-protocol-sctp</loc>
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    <loc>https://metasystema.org/rfc/3287-remote-monitoring-mib-extensions-for-differentiated-services</loc>
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    <loc>https://metasystema.org/rfc/3288-using-the-simple-object-access-protocol-soap-in-blocks-extensible-exchange-proto</loc>
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    <loc>https://metasystema.org/rfc/3289-management-information-base-for-the-differentiated-services-architecture</loc>
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    <loc>https://metasystema.org/rfc/3290-an-informal-management-model-for-diffserv-routers</loc>
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    <loc>https://metasystema.org/rfc/3291-textual-conventions-for-internet-network-addresses</loc>
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    <loc>https://metasystema.org/rfc/3292-general-switch-management-protocol-gsmp-v3</loc>
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    <loc>https://metasystema.org/rfc/3293-general-switch-management-protocol-gsmp-packet-encapsulations-for-asynchronous-t</loc>
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    <loc>https://metasystema.org/rfc/3294-general-switch-management-protocol-gsmp-applicability</loc>
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    <loc>https://metasystema.org/rfc/3295-definitions-of-managed-objects-for-the-general-switch-management-protocol-gsmp</loc>
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    <loc>https://metasystema.org/rfc/3296-named-subordinate-references-in-lightweight-directory-access-protocol-ldap-direc</loc>
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    <loc>https://metasystema.org/rfc/3297-content-negotiation-for-messaging-services-based-on-email</loc>
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    <loc>https://metasystema.org/rfc/3298-service-in-the-public-switched-telephone-network-intelligent-network-pstn-in-req</loc>
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    <loc>https://metasystema.org/rfc/3299-request-for-comments-summary-rfc-numbers-3200</loc>
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    <loc>https://metasystema.org/rfc/3300-internet-official-protocol-standards</loc>
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    <loc>https://metasystema.org/rfc/3301-layer-two-tunnelling-protocol-l2tp-atm-access-network-extensions</loc>
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    <loc>https://metasystema.org/rfc/3302-tag-image-file-format-tiff-image-tiff-mime-sub-type-registration</loc>
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    <loc>https://metasystema.org/rfc/3303-middlebox-communication-architecture-and-framework</loc>
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    <loc>https://metasystema.org/rfc/3304-middlebox-communications-midcom-protocol-requirements</loc>
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    <loc>https://metasystema.org/rfc/3305-report-from-the-joint-w3c-ietf-uri-planning-interest-group-uniform-resource-iden</loc>
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    <loc>https://metasystema.org/rfc/3306-unicast-prefix-based-ipv6-multicast-addresses</loc>
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    <loc>https://metasystema.org/rfc/3307-allocation-guidelines-for-ipv6-multicast-addresses</loc>
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    <loc>https://metasystema.org/rfc/3308-layer-two-tunneling-protocol-l2tp-differentiated-services-extension</loc>
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    <loc>https://metasystema.org/rfc/3309-stream-control-transmission-protocol-sctp-checksum-change</loc>
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    <loc>https://metasystema.org/rfc/3310-hypertext-transfer-protocol-http-digest-authentication-using-authentication-and</loc>
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    <loc>https://metasystema.org/rfc/3311-the-session-initiation-protocol-sip-update-method</loc>
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    <loc>https://metasystema.org/rfc/3312-integration-of-resource-management-and-session-initiation-protocol-sip</loc>
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    <loc>https://metasystema.org/rfc/3313-private-session-initiation-protocol-sip-extensions-for-media-authorization</loc>
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    <loc>https://metasystema.org/rfc/3314-recommendations-for-ipv6-in-third-generation-partnership-project-3gpp-standards</loc>
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    <loc>https://metasystema.org/rfc/3315-dynamic-host-configuration-protocol-for-ipv6-dhcpv6</loc>
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    <loc>https://metasystema.org/rfc/3316-internet-protocol-version-6-ipv6-for-some-second-and-third-generation-cellular-h</loc>
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    <loc>https://metasystema.org/rfc/3317-differentiated-services-quality-of-service-policy-information-base</loc>
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    <loc>https://metasystema.org/rfc/3319-dynamic-host-configuration-protocol-dhcpv6-options-for-session-initiation-protoc</loc>
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    <loc>https://metasystema.org/rfc/3320-signaling-compression-sigcomp</loc>
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    <loc>https://metasystema.org/rfc/3324-short-term-requirements-for-network-asserted-identity</loc>
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    <loc>https://metasystema.org/rfc/3325-private-extensions-to-the-session-initiation-protocol-sip-for-asserted-identity</loc>
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    <loc>https://metasystema.org/rfc/3326-the-reason-header-field-for-the-session-initiation-protocol-sip</loc>
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    <loc>https://metasystema.org/rfc/3329-security-mechanism-agreement-for-the-session-initiation-protocol-sip</loc>
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    <loc>https://metasystema.org/rfc/3331-signaling-system-7-ss7-message-transfer-part-2-mtp2-user-adaptation-layer</loc>
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    <loc>https://metasystema.org/rfc/3335-mime-based-secure-peer-to-peer-business-data-interchange-over-the-internet</loc>
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    <loc>https://metasystema.org/rfc/3361-dynamic-host-configuration-protocol-dhcp-for-ipv4-option-for-session-initiation</loc>
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    <loc>https://metasystema.org/rfc/3364-tradeoffs-in-domain-name-system-dns-support-for-internet-protocol-version-6-ipv6</loc>
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    <loc>https://metasystema.org/rfc/3379-delegated-path-validation-and-delegated-path-discovery-protocol-requirements</loc>
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    <loc>https://metasystema.org/rfc/3380-internet-printing-protocol-ipp-job-and-printer-set-operations</loc>
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    <loc>https://metasystema.org/rfc/3381-internet-printing-protocol-ipp-job-progress-attributes</loc>
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    <loc>https://metasystema.org/rfc/3382-internet-printing-protocol-ipp-the-collection-attribute-syntax</loc>
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    <loc>https://metasystema.org/rfc/3383-internet-assigned-numbers-authority-iana-considerations-for-the-lightweight-dire</loc>
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    <loc>https://metasystema.org/rfc/3384-lightweight-directory-access-protocol-version-3-replication-requirements</loc>
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    <loc>https://metasystema.org/rfc/3385-internet-protocol-small-computer-system-interface-iscsi-cyclic-redundancy-check</loc>
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    <loc>https://metasystema.org/rfc/3386-network-hierarchy-and-multilayer-survivability</loc>
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    <loc>https://metasystema.org/rfc/3387-considerations-from-the-service-management-research-group-smrg-on-quality-of-ser</loc>
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    <loc>https://metasystema.org/rfc/3389-real-time-transport-protocol-rtp-payload-for-comfort-noise-cn</loc>
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    <loc>https://metasystema.org/rfc/3390-increasing-tcp-s-initial-window</loc>
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    <loc>https://metasystema.org/rfc/3391-the-mime-application-vnd-pwg-multiplexed-content-type</loc>
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    <loc>https://metasystema.org/rfc/3392-capabilities-advertisement-with-bgp-4</loc>
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    <loc>https://metasystema.org/rfc/3393-ip-packet-delay-variation-metric-for-ip-performance-metrics-ippm</loc>
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    <loc>https://metasystema.org/rfc/3394-advanced-encryption-standard-aes-key-wrap-algorithm</loc>
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    <loc>https://metasystema.org/rfc/3395-remote-network-monitoring-mib-protocol-identifier-reference-extensions</loc>
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    <loc>https://metasystema.org/rfc/3396-encoding-long-options-in-the-dynamic-host-configuration-protocol-dhcpv4</loc>
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    <loc>https://metasystema.org/rfc/3397-dynamic-host-configuration-protocol-dhcp-domain-search-option</loc>
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    <loc>https://metasystema.org/rfc/3398-integrated-services-digital-network-isdn-user-part-isup-to-session-initiation-pr</loc>
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    <loc>https://metasystema.org/rfc/3401-dynamic-delegation-discovery-system-ddds-part-one-the-comprehensive-ddds</loc>
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    <loc>https://metasystema.org/rfc/3402-dynamic-delegation-discovery-system-ddds-part-two-the-algorithm</loc>
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    <loc>https://metasystema.org/rfc/3403-dynamic-delegation-discovery-system-ddds-part-three-the-domain-name-system-dns-d</loc>
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    <loc>https://metasystema.org/rfc/3404-dynamic-delegation-discovery-system-ddds-part-four-the-uniform-resource-identifi</loc>
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    <loc>https://metasystema.org/rfc/3405-dynamic-delegation-discovery-system-ddds-part-five-uri-arpa-assignment-procedure</loc>
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    <loc>https://metasystema.org/rfc/3406-uniform-resource-names-urn-namespace-definition-mechanisms</loc>
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    <loc>https://metasystema.org/rfc/3407-session-description-protocol-sdp-simple-capability-declaration</loc>
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    <loc>https://metasystema.org/rfc/3408-zero-byte-support-for-bidirectional-reliable-mode-r-mode-in-extended-link-layer</loc>
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    <loc>https://metasystema.org/rfc/3409-lower-layer-guidelines-for-robust-rtp-udp-ip-header-compression</loc>
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    <loc>https://metasystema.org/rfc/3410-introduction-and-applicability-statements-for-internet-standard-management-frame</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3411-an-architecture-for-describing-simple-network-management-protocol-snmp-managemen</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3412-message-processing-and-dispatching-for-the-simple-network-management-protocol-sn</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3413-simple-network-management-protocol-snmp-applications</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3414-user-based-security-model-usm-for-version-3-of-the-simple-network-management-pro</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3415-view-based-access-control-model-vacm-for-the-simple-network-management-protocol</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3416-version-2-of-the-protocol-operations-for-the-simple-network-management-protocol</loc>
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    <loc>https://metasystema.org/rfc/3417-transport-mappings-for-the-simple-network-management-protocol-snmp</loc>
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    <loc>https://metasystema.org/rfc/3418-management-information-base-mib-for-the-simple-network-management-protocol-snmp</loc>
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    <loc>https://metasystema.org/rfc/3419-textual-conventions-for-transport-addresses</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3420-internet-media-type-message-sipfrag</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3421-select-and-sort-extensions-for-the-service-location-protocol-slp</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3422-forwarding-media-access-control-mac-frames-over-multiple-access-protocol-over-sy</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3423-xacct-s-common-reliable-accounting-for-network-element-crane-protocol-specificat</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3424-iab-considerations-for-unilateral-self-address-fixing-unsaf-across-network-addre</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3425-obsoleting-iquery</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3426-general-architectural-and-policy-considerations</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3427-change-process-for-the-session-initiation-protocol-sip</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3428-session-initiation-protocol-sip-extension-for-instant-messaging</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3429-assignment-of-the-oam-alert-label-for-multiprotocol-label-switching-architecture</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3430-simple-network-management-protocol-over-transmission-control-protocol-transport</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3431-sieve-extension-relational-tests</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3432-network-performance-measurement-with-periodic-streams</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3433-entity-sensor-management-information-base</loc>
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    <loc>https://metasystema.org/rfc/3434-remote-monitoring-mib-extensions-for-high-capacity-alarms</loc>
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    <loc>https://metasystema.org/rfc/3435-media-gateway-control-protocol-mgcp-version-1-0</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3436-transport-layer-security-over-stream-control-transmission-protocol</loc>
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    <loc>https://metasystema.org/rfc/3437-layer-two-tunneling-protocol-extensions-for-ppp-link-control-protocol-negotiatio</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3438-layer-two-tunneling-protocol-l2tp-internet-assigned-numbers-authority-iana-consi</loc>
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    <loc>https://metasystema.org/rfc/3439-some-internet-architectural-guidelines-and-philosophy</loc>
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    <loc>https://metasystema.org/rfc/3440-definitions-of-extension-managed-objects-for-asymmetric-digital-subscriber-lines</loc>
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    <loc>https://metasystema.org/rfc/3441-asynchronous-transfer-mode-atm-package-for-the-media-gateway-control-protocol-mg</loc>
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    <loc>https://metasystema.org/rfc/3442-the-classless-static-route-option-for-dynamic-host-configuration-protocol-dhcp-v</loc>
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    <loc>https://metasystema.org/rfc/3443-time-to-live-ttl-processing-in-multi-protocol-label-switching-mpls-networks</loc>
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    <loc>https://metasystema.org/rfc/3444-on-the-difference-between-information-models-and-data-models</loc>
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    <loc>https://metasystema.org/rfc/3445-limiting-the-scope-of-the-key-resource-record-rr</loc>
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    <loc>https://metasystema.org/rfc/3446-anycast-rendevous-point-rp-mechanism-using-protocol-independent-multicast-pim-an</loc>
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    <loc>https://metasystema.org/rfc/3447-public-key-cryptography-standards-pkcs-1-rsa-cryptography-specifications-version</loc>
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    <loc>https://metasystema.org/rfc/3448-tcp-friendly-rate-control-tfrc-protocol-specification</loc>
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    <loc>https://metasystema.org/rfc/3449-tcp-performance-implications-of-network-path-asymmetry</loc>
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    <loc>https://metasystema.org/rfc/3450-asynchronous-layered-coding-alc-protocol-instantiation</loc>
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    <loc>https://metasystema.org/rfc/3451-layered-coding-transport-lct-building-block</loc>
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    <loc>https://metasystema.org/rfc/3452-forward-error-correction-fec-building-block</loc>
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    <loc>https://metasystema.org/rfc/3453-the-use-of-forward-error-correction-fec-in-reliable-multicast</loc>
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    <loc>https://metasystema.org/rfc/3455-private-header-p-header-extensions-to-the-session-initiation-protocol-sip-for-th</loc>
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    <loc>https://metasystema.org/rfc/3456-dynamic-host-configuration-protocol-dhcpv4-configuration-of-ipsec-tunnel-mode</loc>
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    <loc>https://metasystema.org/rfc/3457-requirements-for-ipsec-remote-access-scenarios</loc>
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    <loc>https://metasystema.org/rfc/3458-message-context-for-internet-mail</loc>
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    <loc>https://metasystema.org/rfc/3459-critical-content-multi-purpose-internet-mail-extensions-mime-parameter</loc>
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    <loc>https://metasystema.org/rfc/3461-simple-mail-transfer-protocol-smtp-service-extension-for-delivery-status-notific</loc>
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    <loc>https://metasystema.org/rfc/3462-the-multipart-report-content-type-for-the-reporting-of-mail-system-administrativ</loc>
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    <loc>https://metasystema.org/rfc/3463-enhanced-mail-system-status-codes</loc>
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    <loc>https://metasystema.org/rfc/3464-an-extensible-message-format-for-delivery-status-notifications</loc>
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    <loc>https://metasystema.org/rfc/3465-tcp-congestion-control-with-appropriate-byte-counting-abc</loc>
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    <loc>https://metasystema.org/rfc/3466-a-model-for-content-internetworking-cdi</loc>
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    <loc>https://metasystema.org/rfc/3467-role-of-the-domain-name-system-dns</loc>
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    <loc>https://metasystema.org/rfc/3468-the-multiprotocol-label-switching-mpls-working-group-decision-on-mpls-signaling</loc>
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    <loc>https://metasystema.org/rfc/3469-framework-for-multi-protocol-label-switching-mpls-based-recovery</loc>
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    <loc>https://metasystema.org/rfc/3470-guidelines-for-the-use-of-extensible-markup-language-xml-within-ietf-protocols</loc>
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    <loc>https://metasystema.org/rfc/3471-generalized-multi-protocol-label-switching-gmpls-signaling-functional-descriptio</loc>
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    <loc>https://metasystema.org/rfc/3472-generalized-multi-protocol-label-switching-gmpls-signaling-constraint-based-rout</loc>
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    <loc>https://metasystema.org/rfc/3473-generalized-multi-protocol-label-switching-gmpls-signaling-resource-reservation</loc>
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    <loc>https://metasystema.org/rfc/3474-documentation-of-iana-assignments-for-generalized-multiprotocol-label-switching</loc>
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    <loc>https://metasystema.org/rfc/3475-documentation-of-iana-assignments-for-constraint-based-lsp-setup-using-ldp-cr-ld</loc>
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    <loc>https://metasystema.org/rfc/3476-documentation-of-iana-assignments-for-label-distribution-protocol-ldp-resource-r</loc>
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    <loc>https://metasystema.org/rfc/3477-signalling-unnumbered-links-in-resource-reservation-protocol-traffic-engineering</loc>
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    <loc>https://metasystema.org/rfc/3478-graceful-restart-mechanism-for-label-distribution-protocol</loc>
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    <loc>https://metasystema.org/rfc/3479-fault-tolerance-for-the-label-distribution-protocol-ldp</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3480-signalling-unnumbered-links-in-cr-ldp-constraint-routing-label-distribution-prot</loc>
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    <loc>https://metasystema.org/rfc/3481-tcp-over-second-2-5g-and-third-3g-generation-wireless-networks</loc>
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    <loc>https://metasystema.org/rfc/3482-number-portability-in-the-global-switched-telephone-network-gstn-an-overview</loc>
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    <loc>https://metasystema.org/rfc/3483-framework-for-policy-usage-feedback-for-common-open-policy-service-with-policy-p</loc>
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    <loc>https://metasystema.org/rfc/3484-default-address-selection-for-internet-protocol-version-6-ipv6</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3485-the-session-initiation-protocol-sip-and-session-description-protocol-sdp-static</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3486-compressing-the-session-initiation-protocol-sip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3487-requirements-for-resource-priority-mechanisms-for-the-session-initiation-protoco</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3488-cisco-systems-router-port-group-management-protocol-rgmp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3489-stun-simple-traversal-of-user-datagram-protocol-udp-through-network-address-tran</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3490-internationalizing-domain-names-in-applications-idna</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3491-nameprep-a-stringprep-profile-for-internationalized-domain-names-idn</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3492-punycode-a-bootstring-encoding-of-unicode-for-internationalized-domain-names-in</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3493-basic-socket-interface-extensions-for-ipv6</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3494-lightweight-directory-access-protocol-version-2-ldapv2-to-historic-status</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3495-dynamic-host-configuration-protocol-dhcp-option-for-cablelabs-client-configurati</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3496-protocol-extension-for-support-of-asynchronous-transfer-mode-atm-service-class-a</loc>
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    <loc>https://metasystema.org/rfc/3497-rtp-payload-format-for-society-of-motion-picture-and-television-engineers-smpte</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3498-definitions-of-managed-objects-for-synchronous-optical-network-sonet-linear-auto</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3499-request-for-comments-summary-rfc-numbers-3400</loc>
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    <loc>https://metasystema.org/rfc/3501-internet-message-access-protocol-version-4rev1</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3502-internet-message-access-protocol-imap-multiappend-extension</loc>
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    <loc>https://metasystema.org/rfc/3503-message-disposition-notification-mdn-profile-for-internet-message-access-protoco</loc>
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    <loc>https://metasystema.org/rfc/3504-internet-open-trading-protocol-iotp-version-1-errata</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3505-electronic-commerce-modeling-language-ecml-version-2-requirements</loc>
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    <loc>https://metasystema.org/rfc/3506-requirements-and-design-for-voucher-trading-system-vts</loc>
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    <loc>https://metasystema.org/rfc/3507-internet-content-adaptation-protocol-icap</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3508-h-323-uniform-resource-locator-url-scheme-registration</loc>
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    <loc>https://metasystema.org/rfc/3509-alternative-implementations-of-ospf-area-border-routers</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3510-internet-printing-protocol-1-1-ipp-url-scheme</loc>
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    <loc>https://metasystema.org/rfc/3511-benchmarking-methodology-for-firewall-performance</loc>
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    <loc>https://metasystema.org/rfc/3512-configuring-networks-and-devices-with-simple-network-management-protocol-snmp</loc>
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    <loc>https://metasystema.org/rfc/3513-internet-protocol-version-6-ipv6-addressing-architecture</loc>
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    <loc>https://metasystema.org/rfc/3514-the-security-flag-in-the-ipv4-header</loc>
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    <loc>https://metasystema.org/rfc/3515-the-session-initiation-protocol-sip-refer-method</loc>
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    <loc>https://metasystema.org/rfc/3516-imap4-binary-content-extension</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3517-a-conservative-selective-acknowledgment-sack-based-loss-recovery-algorithm-for-t</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3518-point-to-point-protocol-ppp-bridging-control-protocol-bcp</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3519-mobile-ip-traversal-of-network-address-translation-nat-devices</loc>
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    <loc>https://metasystema.org/rfc/3520-session-authorization-policy-element</loc>
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    <loc>https://metasystema.org/rfc/3521-framework-for-session-set-up-with-media-authorization</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3522-the-eifel-detection-algorithm-for-tcp</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3523-internet-emergency-preparedness-ieprep-telephony-topology-terminology</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3524-mapping-of-media-streams-to-resource-reservation-flows</loc>
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    <loc>https://metasystema.org/rfc/3525-gateway-control-protocol-version-1</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3526-more-modular-exponential-modp-diffie-hellman-groups-for-internet-key-exchange-ik</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3527-link-selection-sub-option-for-the-relay-agent-information-option-for-dhcpv4</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3528-mesh-enhanced-service-location-protocol-mslp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3529-using-extensible-markup-language-remote-procedure-calling-xml-rpc-in-blocks-exte</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3530-network-file-system-nfs-version-4-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3531-a-flexible-method-for-managing-the-assignment-of-bits-of-an-ipv6-address-block</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3532-requirements-for-the-dynamic-partitioning-of-switching-elements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3533-the-ogg-encapsulation-format-version-0</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3534-the-application-ogg-media-type</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3535-overview-of-the-2002-iab-network-management-workshop</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3536-terminology-used-in-internationalization-in-the-ietf</loc>
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  </url>
  <url>
    <loc>https://metasystema.org/rfc/3537-wrapping-a-hashed-message-authentication-code-hmac-key-with-a-triple-data-encryp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3538-secure-electronic-transaction-set-supplement-for-the-v1-0-internet-open-trading</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3539-authentication-authorization-and-accounting-aaa-transport-profile</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3540-robust-explicit-congestion-notification-ecn-signaling-with-nonces</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3541-a-uniform-resource-name-urn-namespace-for-the-web3d-consortium-web3d</loc>
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    <loc>https://metasystema.org/rfc/3542-advanced-sockets-application-program-interface-api-for-ipv6</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3543-registration-revocation-in-mobile-ipv4</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/3544-ip-header-compression-over-ppp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3545-enhanced-compressed-rtp-crtp-for-links-with-high-delay-packet-loss-and-reorderin</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3546-transport-layer-security-tls-extensions</loc>
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    <loc>https://metasystema.org/rfc/3547-the-group-domain-of-interpretation</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3548-the-base16-base32-and-base64-data-encodings</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3549-linux-netlink-as-an-ip-services-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3550-rtp-a-transport-protocol-for-real-time-applications</loc>
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    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3551-rtp-profile-for-audio-and-video-conferences-with-minimal-control</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3552-guidelines-for-writing-rfc-text-on-security-considerations</loc>
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    <loc>https://metasystema.org/rfc/3553-an-ietf-urn-sub-namespace-for-registered-protocol-parameters</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3554-on-the-use-of-stream-control-transmission-protocol-sctp-with-ipsec</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3555-mime-type-registration-of-rtp-payload-formats</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3556-session-description-protocol-sdp-bandwidth-modifiers-for-rtp-control-protocol-rt</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3557-rtp-payload-format-for-european-telecommunications-standards-institute-etsi-euro</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3558-rtp-payload-format-for-enhanced-variable-rate-codecs-evrc-and-selectable-mode-vo</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3559-multicast-address-allocation-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3560-use-of-the-rsaes-oaep-key-transport-algorithm-in-cryptographic-message-syntax-cm</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3561-ad-hoc-on-demand-distance-vector-aodv-routing</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3562-key-management-considerations-for-the-tcp-md5-signature-option</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3563-cooperative-agreement-between-the-isoc-ietf-and-iso-iec-joint-technical-committe</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3564-requirements-for-support-of-differentiated-services-aware-mpls-traffic-engineeri</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3565-use-of-the-advanced-encryption-standard-aes-encryption-algorithm-in-cryptographi</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3566-the-aes-xcbc-mac-96-algorithm-and-its-use-with-ipsec</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3567-intermediate-system-to-intermediate-system-is-is-cryptographic-authentication</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3568-known-content-network-cn-request-routing-mechanisms</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3569-an-overview-of-source-specific-multicast-ssm</loc>
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    <loc>https://metasystema.org/rfc/3570-content-internetworking-cdi-scenarios</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3571-framework-policy-information-base-for-usage-feedback</loc>
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    <loc>https://metasystema.org/rfc/3572-internet-protocol-version-6-over-mapos-multiple-access-protocol-over-sonet-sdh</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3573-signalling-of-modem-on-hold-status-in-layer-2-tunneling-protocol-l2tp</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3574-transition-scenarios-for-3gpp-networks</loc>
    <changefreq>yearly</changefreq>
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  </url>
  <url>
    <loc>https://metasystema.org/rfc/3575-iana-considerations-for-radius-remote-authentication-dial-in-user-service</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3576-dynamic-authorization-extensions-to-remote-authentication-dial-in-user-service-r</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3577-introduction-to-the-remote-monitoring-rmon-family-of-mib-modules</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3578-mapping-of-integrated-services-digital-network-isdn-user-part-isup-overlap-signa</loc>
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    <loc>https://metasystema.org/rfc/3579-radius-remote-authentication-dial-in-user-service-support-for-extensible-authent</loc>
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    <loc>https://metasystema.org/rfc/3580-ieee-802-1x-remote-authentication-dial-in-user-service-radius-usage-guidelines</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3581-an-extension-to-the-session-initiation-protocol-sip-for-symmetric-response-routi</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3582-goals-for-ipv6-site-multihoming-architectures</loc>
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    <loc>https://metasystema.org/rfc/3583-requirements-of-a-quality-of-service-qos-solution-for-mobile-ip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3584-coexistence-between-version-1-version-2-and-version-3-of-the-internet-standard-n</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3585-ipsec-configuration-policy-information-model</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3586-ip-security-policy-ipsp-requirements</loc>
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    <loc>https://metasystema.org/rfc/3587-ipv6-global-unicast-address-format</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3588-diameter-base-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3589-diameter-command-codes-for-third-generation-partnership-project-3gpp-release-5</loc>
    <changefreq>yearly</changefreq>
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  </url>
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    <loc>https://metasystema.org/rfc/3590-source-address-selection-for-the-multicast-listener-discovery-mld-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3591-definitions-of-managed-objects-for-the-optical-interface-type</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3592-definitions-of-managed-objects-for-the-synchronous-optical-network-synchronous-d</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3593-textual-conventions-for-mib-modules-using-performance-history-based-on-15-minute</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3594-packetcable-security-ticket-control-sub-option-for-the-dhcp-cablelabs-client-con</loc>
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    <loc>https://metasystema.org/rfc/3595-textual-conventions-for-ipv6-flow-label</loc>
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    <loc>https://metasystema.org/rfc/3596-dns-extensions-to-support-ip-version-6</loc>
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    <loc>https://metasystema.org/rfc/3597-handling-of-unknown-dns-resource-record-rr-types</loc>
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    <loc>https://metasystema.org/rfc/3598-sieve-email-filtering-subaddress-extension</loc>
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    <loc>https://metasystema.org/rfc/3599-request-for-comments-summary-rfc-numbers-3500</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3600-internet-official-protocol-standards</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3601-text-string-notation-for-dial-sequences-and-global-switched-telephone-network-gs</loc>
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    <loc>https://metasystema.org/rfc/3602-the-aes-cbc-cipher-algorithm-and-its-use-with-ipsec</loc>
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    <loc>https://metasystema.org/rfc/3603-private-session-initiation-protocol-sip-proxy-to-proxy-extensions-for-supporting</loc>
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    <loc>https://metasystema.org/rfc/3604-requirements-for-adding-optical-support-to-the-general-switch-management-protoco</loc>
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    <loc>https://metasystema.org/rfc/3605-real-time-control-protocol-rtcp-attribute-in-session-description-protocol-sdp</loc>
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    <loc>https://metasystema.org/rfc/3606-definitions-of-supplemental-managed-objects-for-atm-interface</loc>
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    <loc>https://metasystema.org/rfc/3607-chinese-lottery-cryptanalysis-revisited-the-internet-as-a-codebreaking-tool</loc>
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    <loc>https://metasystema.org/rfc/3608-session-initiation-protocol-sip-extension-header-field-for-service-route-discove</loc>
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    <loc>https://metasystema.org/rfc/3609-tracing-requirements-for-generic-tunnels</loc>
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    <loc>https://metasystema.org/rfc/3610-counter-with-cbc-mac-ccm</loc>
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    <loc>https://metasystema.org/rfc/3611-rtp-control-protocol-extended-reports-rtcp-xr</loc>
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    <loc>https://metasystema.org/rfc/3612-applicability-statement-for-restart-mechanisms-for-the-label-distribution-protoc</loc>
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    <loc>https://metasystema.org/rfc/3613-definition-of-a-uniform-resource-name-urn-namespace-for-the-middleware-architect</loc>
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    <loc>https://metasystema.org/rfc/3614-a-uniform-resource-name-urn-namespace-for-the-motion-picture-experts-group-mpeg</loc>
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    <loc>https://metasystema.org/rfc/3615-a-uniform-resource-name-urn-namespace-for-swift-financial-messaging</loc>
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    <loc>https://metasystema.org/rfc/3616-a-uniform-resource-name-urn-namespace-for-foundation-for-intelligent-physical-ag</loc>
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    <loc>https://metasystema.org/rfc/3617-uniform-resource-identifier-uri-scheme-and-applicability-statement-for-the-trivi</loc>
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    <loc>https://metasystema.org/rfc/3618-multicast-source-discovery-protocol-msdp</loc>
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    <loc>https://metasystema.org/rfc/3619-extreme-networks-ethernet-automatic-protection-switching-eaps-version-1</loc>
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    <loc>https://metasystema.org/rfc/3620-the-tunnel-profile</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3621-power-ethernet-mib</loc>
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    <loc>https://metasystema.org/rfc/3622-a-uniform-resource-name-urn-namespace-for-the-liberty-alliance-project</loc>
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    <loc>https://metasystema.org/rfc/3623-graceful-ospf-restart</loc>
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    <loc>https://metasystema.org/rfc/3624-the-media-gateway-control-protocol-mgcp-bulk-audit-package</loc>
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    <loc>https://metasystema.org/rfc/3625-the-qcp-file-format-and-media-types-for-speech-data</loc>
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    <loc>https://metasystema.org/rfc/3626-optimized-link-state-routing-protocol-olsr</loc>
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    <loc>https://metasystema.org/rfc/3627-use-of-127-prefix-length-between-routers-considered-harmful</loc>
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    <loc>https://metasystema.org/rfc/3628-policy-requirements-for-time-stamping-authorities-tsas</loc>
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    <loc>https://metasystema.org/rfc/3629-utf-8-a-transformation-format-of-iso-10646</loc>
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    <loc>https://metasystema.org/rfc/3630-traffic-engineering-te-extensions-to-ospf-version-2</loc>
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    <loc>https://metasystema.org/rfc/3631-security-mechanisms-for-the-internet</loc>
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    <loc>https://metasystema.org/rfc/3632-verisign-registry-registrar-protocol-rrp-version-2-0-0</loc>
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    <loc>https://metasystema.org/rfc/3633-ipv6-prefix-options-for-dynamic-host-configuration-protocol-dhcp-version-6</loc>
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    <loc>https://metasystema.org/rfc/3634-key-distribution-center-kdc-server-address-sub-option-for-the-dynamic-host-confi</loc>
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    <loc>https://metasystema.org/rfc/3635-definitions-of-managed-objects-for-the-ethernet-like-interface-types</loc>
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    <loc>https://metasystema.org/rfc/3636-definitions-of-managed-objects-for-ieee-802-3-medium-attachment-units-maus</loc>
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    <loc>https://metasystema.org/rfc/3637-definitions-of-managed-objects-for-the-ethernet-wan-interface-sublayer</loc>
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    <loc>https://metasystema.org/rfc/3638-applicability-statement-for-reclassification-of-rfc-1643-to-historic-status</loc>
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    <loc>https://metasystema.org/rfc/3639-considerations-on-the-use-of-a-service-identifier-in-packet-headers</loc>
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    <loc>https://metasystema.org/rfc/3640-rtp-payload-format-for-transport-of-mpeg-4-elementary-streams</loc>
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    <loc>https://metasystema.org/rfc/3641-generic-string-encoding-rules-gser-for-asn-1-types</loc>
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    <loc>https://metasystema.org/rfc/3642-common-elements-of-generic-string-encoding-rules-gser-encodings</loc>
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    <loc>https://metasystema.org/rfc/3643-fibre-channel-fc-frame-encapsulation</loc>
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    <loc>https://metasystema.org/rfc/3644-policy-quality-of-service-qos-information-model</loc>
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    <loc>https://metasystema.org/rfc/3645-generic-security-service-algorithm-for-secret-key-transaction-authentication-for</loc>
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    <loc>https://metasystema.org/rfc/3646-dns-configuration-options-for-dynamic-host-configuration-protocol-for-ipv6-dhcpv</loc>
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    <loc>https://metasystema.org/rfc/3647-internet-x-509-public-key-infrastructure-certificate-policy-and-certification-pr</loc>
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    <loc>https://metasystema.org/rfc/3648-web-distributed-authoring-and-versioning-webdav-ordered-collections-protocol</loc>
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    <loc>https://metasystema.org/rfc/3649-highspeed-tcp-for-large-congestion-windows</loc>
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    <loc>https://metasystema.org/rfc/3651-handle-system-namespace-and-service-definition</loc>
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    <loc>https://metasystema.org/rfc/3652-handle-system-protocol-ver-2-1-specification</loc>
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    <loc>https://metasystema.org/rfc/3654-requirements-for-separation-of-ip-control-and-forwarding</loc>
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    <loc>https://metasystema.org/rfc/3655-redefinition-of-dns-authenticated-data-ad-bit</loc>
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    <loc>https://metasystema.org/rfc/3656-the-mailbox-update-mupdate-distributed-mailbox-database-protocol</loc>
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    <loc>https://metasystema.org/rfc/3657-use-of-the-camellia-encryption-algorithm-in-cryptographic-message-syntax-cms</loc>
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    <loc>https://metasystema.org/rfc/3658-delegation-signer-ds-resource-record-rr</loc>
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    <loc>https://metasystema.org/rfc/3659-extensions-to-ftp</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3660-basic-media-gateway-control-protocol-mgcp-packages</loc>
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    <loc>https://metasystema.org/rfc/3661-media-gateway-control-protocol-mgcp-return-code-usage</loc>
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    <loc>https://metasystema.org/rfc/3662-a-lower-effort-per-domain-behavior-pdb-for-differentiated-services</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3663-domain-administrative-data-in-lightweight-directory-access-protocol-ldap</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3664-the-aes-xcbc-prf-128-algorithm-for-the-internet-key-exchange-protocol-ike</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3665-session-initiation-protocol-sip-basic-call-flow-examples</loc>
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    <loc>https://metasystema.org/rfc/3666-session-initiation-protocol-sip-public-switched-telephone-network-pstn-call-flow</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3667-ietf-rights-in-contributions</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3668-intellectual-property-rights-in-ietf-technology</loc>
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    <loc>https://metasystema.org/rfc/3669-guidelines-for-working-groups-on-intellectual-property-issues</loc>
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    <loc>https://metasystema.org/rfc/3670-information-model-for-describing-network-device-qos-datapath-mechanisms</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3671-collective-attributes-in-the-lightweight-directory-access-protocol-ldap</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3672-subentries-in-the-lightweight-directory-access-protocol-ldap</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3673-lightweight-directory-access-protocol-version-3-ldapv3-all-operational-attribute</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3674-feature-discovery-in-lightweight-directory-access-protocol-ldap</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3675-sex-considered-dangerous</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3676-the-text-plain-format-and-delsp-parameters</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3677-ietf-isoc-board-of-trustee-appointment-procedures</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3678-socket-interface-extensions-for-multicast-source-filters</loc>
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    <loc>https://metasystema.org/rfc/3679-unused-dynamic-host-configuration-protocol-dhcp-option-codes</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3680-a-session-initiation-protocol-sip-event-package-for-registrations</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3681-delegation-of-e-f-f-3-ip6-arpa</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3682-the-generalized-ttl-security-mechanism-gtsm</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3683-a-practice-for-revoking-posting-rights-to-ietf-mailing-lists</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3684-topology-dissemination-based-on-reverse-path-forwarding-tbrpf</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3685-sieve-email-filtering-spamtest-and-virustest-extensions</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3686-using-advanced-encryption-standard-aes-counter-mode-with-ipsec-encapsulating-sec</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3687-lightweight-directory-access-protocol-ldap-and-x-500-component-matching-rules</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3688-the-ietf-xml-registry</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3689-general-requirements-for-emergency-telecommunication-service-ets</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3690-ip-telephony-requirements-for-emergency-telecommunication-service-ets</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3691-internet-message-access-protocol-imap-unselect-command</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3692-assigning-experimental-and-testing-numbers-considered-useful</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3693-geopriv-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3694-threat-analysis-of-the-geopriv-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3695-compact-forward-error-correction-fec-schemes</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3696-application-techniques-for-checking-and-transformation-of-names</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3697-ipv6-flow-label-specification</loc>
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    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3698-lightweight-directory-access-protocol-ldap-additional-matching-rules</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3700-internet-official-protocol-standards</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3701-6bone-ipv6-testing-address-allocation-phaseout</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3702-authentication-authorization-and-accounting-requirements-for-the-session-initiat</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3703-policy-core-lightweight-directory-access-protocol-ldap-schema</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3704-ingress-filtering-for-multihomed-networks</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3705-high-capacity-textual-conventions-for-mib-modules-using-performance-history-base</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3706-a-traffic-based-method-of-detecting-dead-internet-key-exchange-ike-peers</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3707-cross-registry-internet-service-protocol-crisp-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3708-using-tcp-duplicate-selective-acknowledgement-dsacks-and-stream-control-transmis</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3709-internet-x-509-public-key-infrastructure-logotypes-in-x-509-certificates</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3710-an-iesg-charter</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3711-the-secure-real-time-transport-protocol-srtp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3712-lightweight-directory-access-protocol-ldap-schema-for-printer-services</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3713-a-description-of-the-camellia-encryption-algorithm</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3714-iab-concerns-regarding-congestion-control-for-voice-traffic-in-the-internet</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3715-ipsec-network-address-translation-nat-compatibility-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3716-ietf-in-the-large-administration-and-execution</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3717-ip-over-optical-networks-a-framework</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3718-a-summary-of-unicode-consortium-procedures-policies-stability-and-public-access</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3719-recommendations-for-interoperable-networks-using-intermediate-system-to-intermed</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3720-internet-small-computer-systems-interface-iscsi</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3721-internet-small-computer-systems-interface-iscsi-naming-and-discovery</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3722-string-profile-for-internet-small-computer-systems-interface-iscsi-names</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3723-securing-block-storage-protocols-over-ip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3724-the-rise-of-the-middle-and-the-future-of-end-to-end-reflections-on-the-evolution</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3725-best-current-practices-for-third-party-call-control-3pcc-in-the-session-initiati</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3726-requirements-for-signaling-protocols</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3727-asn-1-module-definition-for-the-ldap-and-x-500-component-matching-rules</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3728-definitions-of-managed-objects-for-very-high-speed-digital-subscriber-lines-vdsl</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3729-application-performance-measurement-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3730-extensible-provisioning-protocol-epp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3731-extensible-provisioning-protocol-epp-domain-name-mapping</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3732-extensible-provisioning-protocol-epp-host-mapping</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3733-extensible-provisioning-protocol-epp-contact-mapping</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3734-extensible-provisioning-protocol-epp-transport-over-tcp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3735-guidelines-for-extending-the-extensible-provisioning-protocol-epp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3736-stateless-dynamic-host-configuration-protocol-dhcp-service-for-ipv6</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3737-iana-guidelines-for-the-registry-of-remote-monitoring-rmon-mib-modules</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3738-wave-and-equation-based-rate-control-webrc-building-block</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3739-internet-x-509-public-key-infrastructure-qualified-certificates-profile</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3740-the-multicast-group-security-architecture</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3741-exclusive-xml-canonicalization-version-1-0</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3742-limited-slow-start-for-tcp-with-large-congestion-windows</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3743-joint-engineering-team-jet-guidelines-for-internationalized-domain-names-idn-reg</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3744-web-distributed-authoring-and-versioning-webdav-access-control-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3745-mime-type-registrations-for-jpeg-2000-iso-iec-15444</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3746-forwarding-and-control-element-separation-forces-framework</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3747-the-differentiated-services-configuration-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3748-extensible-authentication-protocol-eap</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3749-transport-layer-security-protocol-compression-methods</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3750-unmanaged-networks-ipv6-transition-scenarios</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3751-omniscience-protocol-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3752-open-pluggable-edge-services-opes-use-cases-and-deployment-scenarios</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3753-mobility-related-terminology</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3754-ip-multicast-in-differentiated-services-ds-networks</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3755-legacy-resolver-compatibility-for-delegation-signer-ds</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3756-ipv6-neighbor-discovery-nd-trust-models-and-threats</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3757-domain-name-system-key-dnskey-resource-record-rr-secure-entry-point-sep-flag</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3758-stream-control-transmission-protocol-sctp-partial-reliability-extension</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3759-robust-header-compression-rohc-terminology-and-channel-mapping-examples</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3760-securely-available-credentials-sacred-credential-server-framework</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3761-the-e-164-to-uniform-resource-identifiers-uri-dynamic-delegation-discovery-syste</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3762-telephone-number-mapping-enum-service-registration-for-h-323</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3763-one-way-active-measurement-protocol-owamp-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3764-enumservice-registration-for-session-initiation-protocol-sip-addresses-of-record</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3765-nopeer-community-for-border-gateway-protocol-bgp-route-scope-control</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3766-determining-strengths-for-public-keys-used-for-exchanging-symmetric-keys</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3767-securely-available-credentials-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3768-virtual-router-redundancy-protocol-vrrp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3769-requirements-for-ipv6-prefix-delegation</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3770-certificate-extensions-and-attributes-supporting-authentication-in-point-to-poin</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3771-the-lightweight-directory-access-protocol-ldap-intermediate-response-message</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3772-point-to-point-protocol-ppp-vendor-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3773-high-level-requirements-for-internet-voice-mail</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3774-ietf-problem-statement</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3775-mobility-support-in-ipv6</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3776-using-ipsec-to-protect-mobile-ipv6-signaling-between-mobile-nodes-and-home-agent</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3777-iab-and-iesg-selection-confirmation-and-recall-process-operation-of-the-nominati</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3778-the-application-pdf-media-type</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3779-x-509-extensions-for-ip-addresses-and-as-identifiers</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3780-sming-next-generation-structure-of-management-information</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3781-next-generation-structure-of-management-information-sming-mappings-to-the-simple</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3782-the-newreno-modification-to-tcp-s-fast-recovery-algorithm</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3783-small-computer-systems-interface-scsi-command-ordering-considerations-with-iscsi</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3784-intermediate-system-to-intermediate-system-is-is-extensions-for-traffic-engineer</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3785-use-of-interior-gateway-protocol-igp-metric-as-a-second-mpls-traffic-engineering</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3786-extending-the-number-of-intermediate-system-to-intermediate-system-is-is-link-st</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3787-recommendations-for-interoperable-ip-networks-using-intermediate-system-to-inter</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3788-security-considerations-for-signaling-transport-sigtran-protocols</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3789-introduction-to-the-survey-of-ipv4-addresses-in-currently-deployed-ietf-standard</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3790-survey-of-ipv4-addresses-in-currently-deployed-ietf-internet-area-standards-trac</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3791-survey-of-ipv4-addresses-in-currently-deployed-ietf-routing-area-standards-track</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3792-survey-of-ipv4-addresses-in-currently-deployed-ietf-security-area-standards-trac</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3793-survey-of-ipv4-addresses-in-currently-deployed-ietf-sub-ip-area-standards-track</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3794-survey-of-ipv4-addresses-in-currently-deployed-ietf-transport-area-standards-tra</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3795-survey-of-ipv4-addresses-in-currently-deployed-ietf-application-area-standards-t</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3796-survey-of-ipv4-addresses-in-currently-deployed-ietf-operations-management-area-s</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3797-publicly-verifiable-nominations-committee-nomcom-random-selection</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3798-message-disposition-notification</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3801-voice-profile-for-internet-mail-version-2-vpimv2</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3802-toll-quality-voice-32-kbit-s-adaptive-differential-pulse-code-modulation-adpcm-m</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3803-content-duration-mime-header-definition</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3804-voice-profile-for-internet-mail-vpim-addressing</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3805-printer-mib-v2</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3806-printer-finishing-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3807-v5-2-user-adaptation-layer-v5ua</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3808-iana-charset-mib</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3809-generic-requirements-for-provider-provisioned-virtual-private-networks-ppvpn</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3810-multicast-listener-discovery-version-2-mldv2-for-ipv6</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3811-definitions-of-textual-conventions-tcs-for-multiprotocol-label-switching-mpls-ma</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3812-multiprotocol-label-switching-mpls-traffic-engineering-te-management-information</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3813-multiprotocol-label-switching-mpls-label-switching-router-lsr-management-informa</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3814-multiprotocol-label-switching-mpls-forwarding-equivalence-class-to-next-hop-labe</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3815-definitions-of-managed-objects-for-the-multiprotocol-label-switching-mpls-label</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3816-definitions-of-managed-objects-for-robust-header-compression-rohc</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3817-layer-2-tunneling-protocol-l2tp-active-discovery-relay-for-ppp-over-ethernet-ppp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3818-iana-considerations-for-the-point-to-point-protocol-ppp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3819-advice-for-internet-subnetwork-designers</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3820-internet-x-509-public-key-infrastructure-pki-proxy-certificate-profile</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3821-fibre-channel-over-tcp-ip-fcip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3822-finding-fibre-channel-over-tcp-ip-fcip-entities-using-service-location-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3823-mime-media-type-for-the-systems-biology-markup-language-sbml</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3824-using-e-164-numbers-with-the-session-initiation-protocol-sip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3825-dynamic-host-configuration-protocol-option-for-coordinate-based-location-configu</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3826-the-advanced-encryption-standard-aes-cipher-algorithm-in-the-snmp-user-based-sec</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3827-additional-snoop-datalink-types</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3828-the-lightweight-user-datagram-protocol-udp-lite</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3829-lightweight-directory-access-protocol-ldap-authorization-identity-request-and-re</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3830-mikey-multimedia-internet-keying</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3831-transmission-of-ipv6-packets-over-fibre-channel</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3832-remote-service-discovery-in-the-service-location-protocol-slp-via-dns-srv</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3833-threat-analysis-of-the-domain-name-system-dns</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3834-recommendations-for-automatic-responses-to-electronic-mail</loc>
    <changefreq>yearly</changefreq>
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  </url>
  <url>
    <loc>https://metasystema.org/rfc/3835-an-architecture-for-open-pluggable-edge-services-opes</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3836-requirements-for-open-pluggable-edge-services-opes-callout-protocols</loc>
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  </url>
  <url>
    <loc>https://metasystema.org/rfc/3837-security-threats-and-risks-for-open-pluggable-edge-services-opes</loc>
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    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3838-policy-authorization-and-enforcement-requirements-of-the-open-pluggable-edge-ser</loc>
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  </url>
  <url>
    <loc>https://metasystema.org/rfc/3839-mime-type-registrations-for-3rd-generation-partnership-project-3gpp-multimedia-f</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3840-indicating-user-agent-capabilities-in-the-session-initiation-protocol-sip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3841-caller-preferences-for-the-session-initiation-protocol-sip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3842-a-message-summary-and-message-waiting-indication-event-package-for-the-session-i</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3843-robust-header-compression-rohc-a-compression-profile-for-ip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3844-ietf-problem-resolution-process</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3845-dns-security-dnssec-nextsecure-nsec-rdata-format</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3846-mobile-ipv4-extension-for-carrying-network-access-identifiers</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3847-restart-signaling-for-intermediate-system-to-intermediate-system-is-is</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3848-esmtp-and-lmtp-transmission-types-registration</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3849-ipv6-address-prefix-reserved-for-documentation</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/3850-secure-multipurpose-internet-mail-extensions-s-mime-version-3-1-certificate-hand</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3851-secure-multipurpose-internet-mail-extensions-s-mime-version-3-1-message-specific</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3852-cryptographic-message-syntax-cms</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3853-s-mime-advanced-encryption-standard-aes-requirement-for-the-session-initiation-p</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/3854-securing-x-400-content-with-secure-multipurpose-internet-mail-extensions-s-mime</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3855-transporting-secure-multipurpose-internet-mail-extensions-s-mime-objects-in-x-40</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3856-a-presence-event-package-for-the-session-initiation-protocol-sip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3857-a-watcher-information-event-template-package-for-the-session-initiation-protocol</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3858-an-extensible-markup-language-xml-based-format-for-watcher-information</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3859-common-profile-for-presence-cpp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3860-common-profile-for-instant-messaging-cpim</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3861-address-resolution-for-instant-messaging-and-presence</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3862-common-presence-and-instant-messaging-cpim-message-format</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3863-presence-information-data-format-pidf</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3864-registration-procedures-for-message-header-fields</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3865-a-no-soliciting-simple-mail-transfer-protocol-smtp-service-extension</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3866-language-tags-and-ranges-in-the-lightweight-directory-access-protocol-ldap</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3867-payment-application-programmers-interface-api-for-v1-0-internet-open-trading-pro</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3868-signalling-connection-control-part-user-adaptation-layer-sua</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3869-iab-concerns-and-recommendations-regarding-internet-research-and-evolution</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3870-application-rdf-xml-media-type-registration</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3871-operational-security-requirements-for-large-internet-service-provider-isp-ip-net</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3872-management-information-base-for-telephony-routing-over-ip-trip</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3873-stream-control-transmission-protocol-sctp-management-information-base-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3874-a-224-bit-one-way-hash-function-sha-224</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3875-the-common-gateway-interface-cgi-version-1-1</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3876-returning-matched-values-with-the-lightweight-directory-access-protocol-version</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3877-alarm-management-information-base-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3878-alarm-reporting-control-management-information-base-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3879-deprecating-site-local-addresses</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3880-call-processing-language-cpl-a-language-for-user-control-of-internet-telephony-s</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3881-security-audit-and-access-accountability-message-xml-data-definitions-for-health</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3882-configuring-bgp-to-block-denial-of-service-attacks</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3883-detecting-inactive-neighbors-over-ospf-demand-circuits-dc</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3884-use-of-ipsec-transport-mode-for-dynamic-routing</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3885-smtp-service-extension-for-message-tracking</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3886-an-extensible-message-format-for-message-tracking-responses</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3887-message-tracking-query-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3888-message-tracking-model-and-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3890-a-transport-independent-bandwidth-modifier-for-the-session-description-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3891-the-session-initiation-protocol-sip-replaces-header</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3892-the-session-initiation-protocol-sip-referred-by-mechanism</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3893-session-initiation-protocol-sip-authenticated-identity-body-aib-format</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3894-sieve-extension-copying-without-side-effects</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3895-definitions-of-managed-objects-for-the-ds1-e1-ds2-and-e2-interface-types</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3896-definitions-of-managed-objects-for-the-ds3-e3-interface-type</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/3897-open-pluggable-edge-services-opes-entities-and-end-points-communication</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3898-network-information-service-nis-configuration-options-for-dynamic-host-configura</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3901-dns-ipv6-transport-operational-guidelines</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3902-the-application-soap-xml-media-type</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3903-session-initiation-protocol-sip-extension-for-event-state-publication</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3904-evaluation-of-ipv6-transition-mechanisms-for-unmanaged-networks</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3905-a-template-for-ietf-patent-disclosures-and-licensing-declarations</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3906-calculating-interior-gateway-protocol-igp-routes-over-traffic-engineering-tunnel</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3909-lightweight-directory-access-protocol-ldap-cancel-operation</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3910-the-spirits-services-in-pstn-requesting-internet-services-protocol</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3911-the-session-initiation-protocol-sip-join-header</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3912-whois-protocol-specification</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3913-border-gateway-multicast-protocol-bgmp-protocol-specification</loc>
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    <loc>https://metasystema.org/rfc/3914-open-pluggable-edge-services-opes-treatment-of-iab-considerations</loc>
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    <loc>https://metasystema.org/rfc/3915-domain-registry-grace-period-mapping-for-the-extensible-provisioning-protocol-ep</loc>
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    <loc>https://metasystema.org/rfc/3916-requirements-for-pseudo-wire-emulation-edge-to-edge-pwe3</loc>
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    <loc>https://metasystema.org/rfc/3917-requirements-for-ip-flow-information-export-ipfix</loc>
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    <loc>https://metasystema.org/rfc/3918-methodology-for-ip-multicast-benchmarking</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3919-remote-network-monitoring-rmon-protocol-identifiers-for-ipv6-and-multi-protocol</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3920-extensible-messaging-and-presence-protocol-xmpp-core</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3921-extensible-messaging-and-presence-protocol-xmpp-instant-messaging-and-presence</loc>
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    <loc>https://metasystema.org/rfc/3922-mapping-the-extensible-messaging-and-presence-protocol-xmpp-to-common-presence-a</loc>
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    <loc>https://metasystema.org/rfc/3923-end-to-end-signing-and-object-encryption-for-the-extensible-messaging-and-presen</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3924-cisco-architecture-for-lawful-intercept-in-ip-networks</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3925-vendor-identifying-vendor-options-for-dynamic-host-configuration-protocol-versio</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3926-flute-file-delivery-over-unidirectional-transport</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3927-dynamic-configuration-of-ipv4-link-local-addresses</loc>
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    <loc>https://metasystema.org/rfc/3928-lightweight-directory-access-protocol-ldap-client-update-protocol-lcup</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3929-alternative-decision-making-processes-for-consensus-blocked-decisions-in-the-iet</loc>
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    <loc>https://metasystema.org/rfc/3930-the-protocol-versus-document-points-of-view-in-computer-protocols</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3931-layer-two-tunneling-protocol-version-3-l2tpv3</loc>
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    <loc>https://metasystema.org/rfc/3932-the-iesg-and-rfc-editor-documents-procedures</loc>
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    <loc>https://metasystema.org/rfc/3933-a-model-for-ietf-process-experiments</loc>
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    <loc>https://metasystema.org/rfc/3934-updates-to-rfc-2418-regarding-the-management-of-ietf-mailing-lists</loc>
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    <loc>https://metasystema.org/rfc/3935-a-mission-statement-for-the-ietf</loc>
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    <loc>https://metasystema.org/rfc/3936-procedures-for-modifying-the-resource-reservation-protocol-rsvp</loc>
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    <loc>https://metasystema.org/rfc/3937-a-uniform-resource-name-urn-namespace-for-the-international-press-telecommunicat</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3938-video-message-message-context</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3939-calling-line-identification-for-voice-mail-messages</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3940-negative-acknowledgment-nack-oriented-reliable-multicast-norm-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3941-negative-acknowledgment-nack-oriented-reliable-multicast-norm-building-blocks</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3942-reclassifying-dynamic-host-configuration-protocol-version-4-dhcpv4-options</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3943-transport-layer-security-tls-protocol-compression-using-lempel-ziv-stac-lzs</loc>
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    <loc>https://metasystema.org/rfc/3944-h-350-directory-services</loc>
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    <loc>https://metasystema.org/rfc/3945-generalized-multi-protocol-label-switching-gmpls-architecture</loc>
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    <loc>https://metasystema.org/rfc/3946-generalized-multi-protocol-label-switching-gmpls-extensions-for-synchronous-opti</loc>
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    <loc>https://metasystema.org/rfc/3947-negotiation-of-nat-traversal-in-the-ike</loc>
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    <loc>https://metasystema.org/rfc/3948-udp-encapsulation-of-ipsec-esp-packets</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3949-file-format-for-internet-fax</loc>
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    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3950-tag-image-file-format-fax-extended-tiff-fx-image-tiff-fx-mime-sub-type-registrat</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3951-internet-low-bit-rate-codec-ilbc</loc>
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  <url>
    <loc>https://metasystema.org/rfc/3952-real-time-transport-protocol-rtp-payload-format-for-internet-low-bit-rate-codec</loc>
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    <loc>https://metasystema.org/rfc/3953-telephone-number-mapping-enum-service-registration-for-presence-services</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3954-cisco-systems-netflow-services-export-version-9</loc>
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    <loc>https://metasystema.org/rfc/3955-evaluation-of-candidate-protocols-for-ip-flow-information-export-ipfix</loc>
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    <loc>https://metasystema.org/rfc/3956-embedding-the-rendezvous-point-rp-address-in-an-ipv6-multicast-address</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3957-authentication-authorization-and-accounting-aaa-registration-keys-for-mobile-ipv</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3958-domain-based-application-service-location-using-srv-rrs-and-the-dynamic-delegati</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3959-the-early-session-disposition-type-for-the-session-initiation-protocol-sip</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3960-early-media-and-ringing-tone-generation-in-the-session-initiation-protocol-sip</loc>
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    <loc>https://metasystema.org/rfc/3961-encryption-and-checksum-specifications-for-kerberos-5</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3962-advanced-encryption-standard-aes-encryption-for-kerberos-5</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3963-network-mobility-nemo-basic-support-protocol</loc>
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    <loc>https://metasystema.org/rfc/3964-security-considerations-for-6to4</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3965-a-simple-mode-of-facsimile-using-internet-mail</loc>
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    <loc>https://metasystema.org/rfc/3966-the-tel-uri-for-telephone-numbers</loc>
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    <loc>https://metasystema.org/rfc/3967-clarifying-when-standards-track-documents-may-refer-normatively-to-documents-at</loc>
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    <loc>https://metasystema.org/rfc/3968-the-internet-assigned-number-authority-iana-header-field-parameter-registry-for</loc>
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    <loc>https://metasystema.org/rfc/3969-the-internet-assigned-number-authority-iana-uniform-resource-identifier-uri-para</loc>
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    <loc>https://metasystema.org/rfc/3970-a-traffic-engineering-te-mib</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3971-secure-neighbor-discovery-send</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3972-cryptographically-generated-addresses-cga</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3973-protocol-independent-multicast-dense-mode-pim-dm-protocol-specification-revised</loc>
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    <loc>https://metasystema.org/rfc/3974-smtp-operational-experience-in-mixed-ipv4-v6-environments</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3975-oma-ietf-standardization-collaboration</loc>
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    <loc>https://metasystema.org/rfc/3976-interworking-sip-and-intelligent-network-in-applications</loc>
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    <loc>https://metasystema.org/rfc/3977-network-news-transfer-protocol-nntp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3978-ietf-rights-in-contributions</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3979-intellectual-property-rights-in-ietf-technology</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3980-t11-network-address-authority-naa-naming-format-for-iscsi-node-names</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3981-iris-the-internet-registry-information-service-iris-core-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3982-iris-a-domain-registry-dreg-type-for-the-internet-registry-information-service-i</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3983-using-the-internet-registry-information-service-iris-over-the-blocks-extensible</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3984-rtp-payload-format-for-h-264-video</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3985-pseudo-wire-emulation-edge-to-edge-pwe3-architecture</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3986-uniform-resource-identifier-uri-generic-syntax</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/3987-internationalized-resource-identifiers-iris</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3988-maximum-transmission-unit-signalling-extensions-for-the-label-distribution-proto</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3989-middlebox-communications-midcom-protocol-semantics</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3990-configuration-and-provisioning-for-wireless-access-points-capwap-problem-stateme</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3991-media-gateway-control-protocol-mgcp-redirect-and-reset-package</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3992-media-gateway-control-protocol-mgcp-lockstep-state-reporting-mechanism</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/3993-subscriber-id-suboption-for-the-dynamic-host-configuration-protocol-dhcp-relay-a</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/3994-indication-of-message-composition-for-instant-messaging</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3995-internet-printing-protocol-ipp-event-notifications-and-subscriptions</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3996-internet-printing-protocol-ipp-the-ippget-delivery-method-for-event-notification</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3997-internet-printing-protocol-ipp-requirements-for-ipp-notifications</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/3998-internet-printing-protocol-ipp-job-and-printer-administrative-operations</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/4001-textual-conventions-for-internet-network-addresses</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/4002-iana-registration-for-enumservice-web-and-ft</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4003-gmpls-signaling-procedure-for-egress-control</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4004-diameter-mobile-ipv4-application</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/4005-diameter-network-access-server-application</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/4006-diameter-credit-control-application</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4007-ipv6-scoped-address-architecture</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4008-definitions-of-managed-objects-for-network-address-translators-nat</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4009-the-seed-encryption-algorithm</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4010-use-of-the-seed-encryption-algorithm-in-cryptographic-message-syntax-cms</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4011-policy-based-management-mib</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/4012-routing-policy-specification-language-next-generation-rpslng</loc>
    <changefreq>yearly</changefreq>
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