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    <loc>https://metasystema.org/rfc/5224-diameter-policy-processing-application</loc>
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    <loc>https://metasystema.org/rfc/5225-robust-header-compression-version-2-rohcv2-profiles-for-rtp-udp-ip-esp-and-udp-l</loc>
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    <loc>https://metasystema.org/rfc/5226-guidelines-for-writing-an-iana-considerations-section-in-rfcs</loc>
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    <loc>https://metasystema.org/rfc/5227-ipv4-address-conflict-detection</loc>
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    <loc>https://metasystema.org/rfc/5228-sieve-an-email-filtering-language</loc>
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    <loc>https://metasystema.org/rfc/5229-sieve-email-filtering-variables-extension</loc>
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    <loc>https://metasystema.org/rfc/5230-sieve-email-filtering-vacation-extension</loc>
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    <loc>https://metasystema.org/rfc/5231-sieve-email-filtering-relational-extension</loc>
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    <loc>https://metasystema.org/rfc/5232-sieve-email-filtering-imap4flags-extension</loc>
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    <loc>https://metasystema.org/rfc/5233-sieve-email-filtering-subaddress-extension</loc>
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    <loc>https://metasystema.org/rfc/5234-augmented-bnf-for-syntax-specifications-abnf</loc>
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    <loc>https://metasystema.org/rfc/5235-sieve-email-filtering-spamtest-and-virustest-extensions</loc>
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    <loc>https://metasystema.org/rfc/5236-improved-packet-reordering-metrics</loc>
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    <loc>https://metasystema.org/rfc/5237-iana-allocation-guidelines-for-the-protocol-field</loc>
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    <loc>https://metasystema.org/rfc/5238-datagram-transport-layer-security-dtls-over-the-datagram-congestion-control-prot</loc>
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    <loc>https://metasystema.org/rfc/5239-a-framework-for-centralized-conferencing</loc>
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    <loc>https://metasystema.org/rfc/5240-protocol-independent-multicast-pim-bootstrap-router-mib</loc>
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    <loc>https://metasystema.org/rfc/5241-naming-rights-in-ietf-protocols</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5242-a-generalized-unified-character-code-western-european-and-cjk-sections</loc>
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    <loc>https://metasystema.org/rfc/5243-ospf-database-exchange-summary-list-optimization</loc>
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    <loc>https://metasystema.org/rfc/5244-definition-of-events-for-channel-oriented-telephony-signalling</loc>
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    <loc>https://metasystema.org/rfc/5245-interactive-connectivity-establishment-ice-a-protocol-for-network-address-transl</loc>
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    <loc>https://metasystema.org/rfc/5246-the-transport-layer-security-tls-protocol-version-1-2</loc>
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    <loc>https://metasystema.org/rfc/5247-extensible-authentication-protocol-eap-key-management-framework</loc>
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    <loc>https://metasystema.org/rfc/5248-a-registry-for-smtp-enhanced-mail-system-status-codes</loc>
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    <loc>https://metasystema.org/rfc/5249-templates-for-internet-drafts-containing-mib-modules</loc>
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    <loc>https://metasystema.org/rfc/5250-the-ospf-opaque-lsa-option</loc>
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    <loc>https://metasystema.org/rfc/5251-layer-1-vpn-basic-mode</loc>
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    <loc>https://metasystema.org/rfc/5252-ospf-based-layer-1-vpn-auto-discovery</loc>
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    <loc>https://metasystema.org/rfc/5253-applicability-statement-for-layer-1-virtual-private-network-l1vpn-basic-mode</loc>
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    <loc>https://metasystema.org/rfc/5254-requirements-for-multi-segment-pseudowire-emulation-edge-to-edge-pwe3</loc>
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    <loc>https://metasystema.org/rfc/5255-internet-message-access-protocol-internationalization</loc>
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    <loc>https://metasystema.org/rfc/5256-internet-message-access-protocol-sort-and-thread-extensions</loc>
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    <loc>https://metasystema.org/rfc/5257-internet-message-access-protocol-annotate-extension</loc>
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    <loc>https://metasystema.org/rfc/5258-internet-message-access-protocol-version-4-list-command-extensions</loc>
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    <loc>https://metasystema.org/rfc/5259-internet-message-access-protocol-convert-extension</loc>
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    <loc>https://metasystema.org/rfc/5260-sieve-email-filtering-date-and-index-extensions</loc>
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    <loc>https://metasystema.org/rfc/5261-an-extensible-markup-language-xml-patch-operations-framework-utilizing-xml-path</loc>
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    <loc>https://metasystema.org/rfc/5262-presence-information-data-format-pidf-extension-for-partial-presence</loc>
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    <loc>https://metasystema.org/rfc/5263-session-initiation-protocol-sip-extension-for-partial-notification-of-presence-i</loc>
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    <loc>https://metasystema.org/rfc/5264-publication-of-partial-presence-information</loc>
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    <loc>https://metasystema.org/rfc/5265-mobile-ipv4-traversal-across-ipsec-based-vpn-gateways</loc>
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    <loc>https://metasystema.org/rfc/5266-secure-connectivity-and-mobility-using-mobile-ipv4-and-ikev2-mobility-and-multih</loc>
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    <loc>https://metasystema.org/rfc/5267-contexts-for-imap4</loc>
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    <loc>https://metasystema.org/rfc/5268-mobile-ipv6-fast-handovers</loc>
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    <loc>https://metasystema.org/rfc/5269-distributing-a-symmetric-fast-mobile-ipv6-fmipv6-handover-key-using-secure-neigh</loc>
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    <loc>https://metasystema.org/rfc/5270-mobile-ipv6-fast-handovers-over-ieee-802-16e-networks</loc>
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    <loc>https://metasystema.org/rfc/5271-mobile-ipv6-fast-handovers-for-3g-cdma-networks</loc>
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    <loc>https://metasystema.org/rfc/5272-certificate-management-over-cms-cmc</loc>
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    <loc>https://metasystema.org/rfc/5273-certificate-management-over-cms-cmc-transport-protocols</loc>
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    <loc>https://metasystema.org/rfc/5274-certificate-management-messages-over-cms-cmc-compliance-requirements</loc>
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    <loc>https://metasystema.org/rfc/5275-cms-symmetric-key-management-and-distribution</loc>
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    <loc>https://metasystema.org/rfc/5276-using-the-server-based-certificate-validation-protocol-scvp-to-convey-long-term</loc>
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    <loc>https://metasystema.org/rfc/5277-netconf-event-notifications</loc>
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    <loc>https://metasystema.org/rfc/5278-iana-registration-of-enumservices-for-voice-and-video-messaging</loc>
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    <loc>https://metasystema.org/rfc/5279-a-uniform-resource-name-urn-namespace-for-the-3rd-generation-partnership-project</loc>
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    <loc>https://metasystema.org/rfc/5280-internet-x-509-public-key-infrastructure-certificate-and-certificate-revocation</loc>
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    <loc>https://metasystema.org/rfc/5281-extensible-authentication-protocol-tunneled-transport-layer-security-authenticat</loc>
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    <loc>https://metasystema.org/rfc/5282-using-authenticated-encryption-algorithms-with-the-encrypted-payload-of-the-inte</loc>
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    <loc>https://metasystema.org/rfc/5283-ldp-extension-for-inter-area-label-switched-paths-lsps</loc>
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    <loc>https://metasystema.org/rfc/5284-user-defined-errors-for-rsvp</loc>
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    <loc>https://metasystema.org/rfc/5285-a-general-mechanism-for-rtp-header-extensions</loc>
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    <loc>https://metasystema.org/rfc/5287-control-protocol-extensions-for-the-setup-of-time-division-multiplexing-tdm-pseu</loc>
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    <loc>https://metasystema.org/rfc/5288-aes-galois-counter-mode-gcm-cipher-suites-for-tls</loc>
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    <loc>https://metasystema.org/rfc/5289-tls-elliptic-curve-cipher-suites-with-sha-256-384-and-aes-galois-counter-mode-gc</loc>
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    <loc>https://metasystema.org/rfc/5294-host-threats-to-protocol-independent-multicast-pim</loc>
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    <loc>https://metasystema.org/rfc/5295-specification-for-the-derivation-of-root-keys-from-an-extended-master-session-ke</loc>
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    <loc>https://metasystema.org/rfc/5297-synthetic-initialization-vector-siv-authenticated-encryption-using-the-advanced</loc>
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    <loc>https://metasystema.org/rfc/5298-analysis-of-inter-domain-label-switched-path-lsp-recovery</loc>
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    <loc>https://metasystema.org/rfc/5301-dynamic-hostname-exchange-mechanism-for-is-is</loc>
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    <loc>https://metasystema.org/rfc/5302-domain-wide-prefix-distribution-with-two-level-is-is</loc>
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    <loc>https://metasystema.org/rfc/5303-three-way-handshake-for-is-is-point-to-point-adjacencies</loc>
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    <loc>https://metasystema.org/rfc/5304-is-is-cryptographic-authentication</loc>
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    <loc>https://metasystema.org/rfc/5305-is-is-extensions-for-traffic-engineering</loc>
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    <loc>https://metasystema.org/rfc/5306-restart-signaling-for-is-is</loc>
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    <loc>https://metasystema.org/rfc/5307-is-is-extensions-in-support-of-generalized-multi-protocol-label-switching-gmpls</loc>
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    <loc>https://metasystema.org/rfc/5308-routing-ipv6-with-is-is</loc>
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    <loc>https://metasystema.org/rfc/5309-point-to-point-operation-over-lan-in-link-state-routing-protocols</loc>
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    <loc>https://metasystema.org/rfc/5310-is-is-generic-cryptographic-authentication</loc>
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    <loc>https://metasystema.org/rfc/5316-isis-extensions-in-support-of-inter-autonomous-system-as-mpls-and-gmpls-traffic</loc>
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    <loc>https://metasystema.org/rfc/5317-joint-working-team-jwt-report-on-mpls-architectural-considerations-for-a-transpo</loc>
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    <loc>https://metasystema.org/rfc/5318-the-session-initiation-protocol-sip-p-refused-uri-list-private-header-p-header</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5320-the-subnetwork-encapsulation-and-adaptation-layer-seal</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5321-simple-mail-transfer-protocol</loc>
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    <loc>https://metasystema.org/rfc/5322-internet-message-format</loc>
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    <loc>https://metasystema.org/rfc/5323-web-distributed-authoring-and-versioning-webdav-search</loc>
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    <loc>https://metasystema.org/rfc/5324-mib-for-fibre-channel-security-protocols-fc-sp</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5325-licklider-transmission-protocol-motivation</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5326-licklider-transmission-protocol-specification</loc>
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    <loc>https://metasystema.org/rfc/5327-licklider-transmission-protocol-security-extensions</loc>
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    <loc>https://metasystema.org/rfc/5328-a-uniform-resource-name-urn-namespace-for-the-digital-video-broadcasting-project</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5329-traffic-engineering-extensions-to-ospf-version-3</loc>
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    <loc>https://metasystema.org/rfc/5330-a-link-type-sub-tlv-to-convey-the-number-of-traffic-engineering-label-switched-p</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5331-mpls-upstream-label-assignment-and-context-specific-label-space</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5332-mpls-multicast-encapsulations</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5333-iana-registration-of-enumservices-for-internet-calendaring</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5334-ogg-media-types</loc>
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    <loc>https://metasystema.org/rfc/5439-an-analysis-of-scaling-issues-in-mpls-te-core-networks</loc>
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    <loc>https://metasystema.org/rfc/5440-path-computation-element-pce-communication-protocol-pcep</loc>
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    <loc>https://metasystema.org/rfc/5441-a-backward-recursive-pce-based-computation-brpc-procedure-to-compute-shortest-co</loc>
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    <loc>https://metasystema.org/rfc/5442-lemonade-architecture-supporting-open-mobile-alliance-oma-mobile-email-mem-using</loc>
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    <loc>https://metasystema.org/rfc/5443-ldp-igp-synchronization</loc>
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    <loc>https://metasystema.org/rfc/5444-generalized-mobile-ad-hoc-network-manet-packet-message-format</loc>
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    <loc>https://metasystema.org/rfc/5445-basic-forward-error-correction-fec-schemes</loc>
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    <loc>https://metasystema.org/rfc/5446-service-selection-for-mobile-ipv4</loc>
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    <loc>https://metasystema.org/rfc/5447-diameter-mobile-ipv6-support-for-network-access-server-to-diameter-server-intera</loc>
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    <loc>https://metasystema.org/rfc/5448-improved-extensible-authentication-protocol-method-for-3rd-generation-authentica</loc>
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    <loc>https://metasystema.org/rfc/5449-ospf-multipoint-relay-mpr-extension-for-ad-hoc-networks</loc>
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    <loc>https://metasystema.org/rfc/5450-transmission-time-offsets-in-rtp-streams</loc>
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    <loc>https://metasystema.org/rfc/5451-message-header-field-for-indicating-message-authentication-status</loc>
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    <loc>https://metasystema.org/rfc/5452-measures-for-making-dns-more-resilient-against-forged-answers</loc>
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    <loc>https://metasystema.org/rfc/5453-reserved-ipv6-interface-identifiers</loc>
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    <loc>https://metasystema.org/rfc/5454-dual-stack-mobile-ipv4</loc>
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    <loc>https://metasystema.org/rfc/5455-diffserv-aware-class-type-object-for-the-path-computation-element-communication</loc>
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    <loc>https://metasystema.org/rfc/5456-iax-inter-asterisk-exchange-version-2</loc>
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    <loc>https://metasystema.org/rfc/5457-iana-considerations-for-iax-inter-asterisk-exchange-version-2</loc>
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    <loc>https://metasystema.org/rfc/5458-security-requirements-for-the-unidirectional-lightweight-encapsulation-ule-proto</loc>
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    <loc>https://metasystema.org/rfc/5459-g-729-1-rtp-payload-format-update-discontinuous-transmission-dtx-support</loc>
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    <loc>https://metasystema.org/rfc/5460-dhcpv6-bulk-leasequery</loc>
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    <loc>https://metasystema.org/rfc/5461-tcp-s-reaction-to-soft-errors</loc>
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    <loc>https://metasystema.org/rfc/5462-multiprotocol-label-switching-mpls-label-stack-entry-exp-field-renamed-to-traffi</loc>
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    <loc>https://metasystema.org/rfc/5463-sieve-email-filtering-ihave-extension</loc>
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    <loc>https://metasystema.org/rfc/5464-the-imap-metadata-extension</loc>
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    <loc>https://metasystema.org/rfc/5465-the-imap-notify-extension</loc>
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    <loc>https://metasystema.org/rfc/5466-imap4-extension-for-named-searches-filters</loc>
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    <loc>https://metasystema.org/rfc/5467-gmpls-asymmetric-bandwidth-bidirectional-label-switched-paths-lsps</loc>
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    <loc>https://metasystema.org/rfc/5468-performance-analysis-of-inter-domain-path-computation-methodologies</loc>
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    <loc>https://metasystema.org/rfc/5469-des-and-idea-cipher-suites-for-transport-layer-security-tls</loc>
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    <loc>https://metasystema.org/rfc/5470-architecture-for-ip-flow-information-export</loc>
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    <loc>https://metasystema.org/rfc/5471-guidelines-for-ip-flow-information-export-ipfix-testing</loc>
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    <loc>https://metasystema.org/rfc/5472-ip-flow-information-export-ipfix-applicability</loc>
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    <loc>https://metasystema.org/rfc/5473-reducing-redundancy-in-ip-flow-information-export-ipfix-and-packet-sampling-psam</loc>
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    <loc>https://metasystema.org/rfc/5475-sampling-and-filtering-techniques-for-ip-packet-selection</loc>
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    <loc>https://metasystema.org/rfc/5476-packet-sampling-psamp-protocol-specifications</loc>
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    <loc>https://metasystema.org/rfc/5477-information-model-for-packet-sampling-exports</loc>
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    <loc>https://metasystema.org/rfc/5478-iana-registration-of-new-session-initiation-protocol-sip-resource-priority-names</loc>
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    <loc>https://metasystema.org/rfc/5479-requirements-and-analysis-of-media-security-management-protocols</loc>
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    <loc>https://metasystema.org/rfc/5480-elliptic-curve-cryptography-subject-public-key-information</loc>
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    <loc>https://metasystema.org/rfc/5528-camellia-counter-mode-and-camellia-counter-with-cbc-mac-mode-algorithms</loc>
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    <loc>https://metasystema.org/rfc/5542-definitions-of-textual-conventions-for-pseudowire-pw-management</loc>
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    <loc>https://metasystema.org/rfc/5545-internet-calendaring-and-scheduling-core-object-specification-icalendar</loc>
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    <loc>https://metasystema.org/rfc/5546-icalendar-transport-independent-interoperability-protocol-itip</loc>
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    <loc>https://metasystema.org/rfc/5547-a-session-description-protocol-sdp-offer-answer-mechanism-to-enable-file-transfe</loc>
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    <loc>https://metasystema.org/rfc/5548-routing-requirements-for-urban-low-power-and-lossy-networks</loc>
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    <loc>https://metasystema.org/rfc/5549-advertising-ipv4-network-layer-reachability-information-with-an-ipv6-next-hop</loc>
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    <loc>https://metasystema.org/rfc/5550-the-internet-email-to-support-diverse-service-environments-lemonade-profile</loc>
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    <loc>https://metasystema.org/rfc/5551-lemonade-notifications-architecture</loc>
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    <loc>https://metasystema.org/rfc/5552-sip-interface-to-voicexml-media-services</loc>
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    <loc>https://metasystema.org/rfc/5553-resource-reservation-protocol-rsvp-extensions-for-path-key-support</loc>
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    <loc>https://metasystema.org/rfc/5561-ldp-capabilities</loc>
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    <loc>https://metasystema.org/rfc/5562-adding-explicit-congestion-notification-ecn-capability-to-tcp-s-syn-ack-packets</loc>
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    <loc>https://metasystema.org/rfc/5563-wimax-forum-3gpp2-proxy-mobile-ipv4</loc>
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    <loc>https://metasystema.org/rfc/5564-linguistic-guidelines-for-the-use-of-the-arabic-language-in-internet-domains</loc>
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    <loc>https://metasystema.org/rfc/5567-an-architectural-framework-for-media-server-control</loc>
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    <loc>https://metasystema.org/rfc/5752-multiple-signatures-in-cryptographic-message-syntax-cms</loc>
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    <loc>https://metasystema.org/rfc/5753-use-of-elliptic-curve-cryptography-ecc-algorithms-in-cryptographic-message-synta</loc>
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    <loc>https://metasystema.org/rfc/5754-using-sha2-algorithms-with-cryptographic-message-syntax</loc>
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    <loc>https://metasystema.org/rfc/5755-an-internet-attribute-certificate-profile-for-authorization</loc>
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    <loc>https://metasystema.org/rfc/5756-updates-for-rsaes-oaep-and-rsassa-pss-algorithm-parameters</loc>
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    <loc>https://metasystema.org/rfc/5757-multicast-mobility-in-mobile-ip-version-6-mipv6-problem-statement-and-brief-surv</loc>
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    <loc>https://metasystema.org/rfc/5758-internet-x-509-public-key-infrastructure-additional-algorithms-and-identifiers-f</loc>
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    <loc>https://metasystema.org/rfc/5759-suite-b-certificate-and-certificate-revocation-list-crl-profile</loc>
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    <loc>https://metasystema.org/rfc/5760-rtp-control-protocol-rtcp-extensions-for-single-source-multicast-sessions-with-u</loc>
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    <loc>https://metasystema.org/rfc/5761-multiplexing-rtp-data-and-control-packets-on-a-single-port</loc>
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    <loc>https://metasystema.org/rfc/5762-rtp-and-the-datagram-congestion-control-protocol-dccp</loc>
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    <loc>https://metasystema.org/rfc/5763-framework-for-establishing-a-secure-real-time-transport-protocol-srtp-security-c</loc>
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    <loc>https://metasystema.org/rfc/5766-traversal-using-relays-around-nat-turn-relay-extensions-to-session-traversal-uti</loc>
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    <loc>https://metasystema.org/rfc/5767-user-agent-driven-privacy-mechanism-for-sip</loc>
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    <loc>https://metasystema.org/rfc/5768-indicating-support-for-interactive-connectivity-establishment-ice-in-the-session</loc>
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    <loc>https://metasystema.org/rfc/5770-basic-host-identity-protocol-hip-extensions-for-traversal-of-network-address-tra</loc>
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    <loc>https://metasystema.org/rfc/5771-iana-guidelines-for-ipv4-multicast-address-assignments</loc>
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    <loc>https://metasystema.org/rfc/5775-asynchronous-layered-coding-alc-protocol-instantiation</loc>
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    <loc>https://metasystema.org/rfc/5776-use-of-timed-efficient-stream-loss-tolerant-authentication-tesla-in-the-asynchro</loc>
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    <loc>https://metasystema.org/rfc/5777-traffic-classification-and-quality-of-service-qos-attributes-for-diameter</loc>
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    <loc>https://metasystema.org/rfc/5778-diameter-mobile-ipv6-support-for-home-agent-to-diameter-server-interaction</loc>
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    <loc>https://metasystema.org/rfc/5847-heartbeat-mechanism-for-proxy-mobile-ipv6</loc>
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    <loc>https://metasystema.org/rfc/5854-the-metalink-download-description-format</loc>
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    <loc>https://metasystema.org/rfc/5855-nameservers-for-ipv4-and-ipv6-reverse-zones</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5856-integration-of-robust-header-compression-over-ipsec-security-associations</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5857-ikev2-extensions-to-support-robust-header-compression-over-ipsec</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5858-ipsec-extensions-to-support-robust-header-compression-over-ipsec</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5859-tftp-server-address-option-for-dhcpv4</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5860-requirements-for-operations-administration-and-maintenance-oam-in-mpls-transport</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5861-http-cache-control-extensions-for-stale-content</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5862-path-computation-clients-pcc-path-computation-element-pce-requirements-for-point</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5863-domainkeys-identified-mail-dkim-development-deployment-and-operations</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5864-dns-srv-resource-records-for-afs</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5865-a-differentiated-services-code-point-dscp-for-capacity-admitted-traffic</loc>
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    <loc>https://metasystema.org/rfc/5866-diameter-quality-of-service-application</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5867-building-automation-routing-requirements-in-low-power-and-lossy-networks</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5868-problem-statement-on-the-cross-realm-operation-of-kerberos</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5869-hmac-based-extract-and-expand-key-derivation-function-hkdf</loc>
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    <loc>https://metasystema.org/rfc/5870-a-uniform-resource-identifier-for-geographic-locations-geo-uri</loc>
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    <loc>https://metasystema.org/rfc/5871-iana-allocation-guidelines-for-the-ipv6-routing-header</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5872-iana-rules-for-the-protocol-for-carrying-authentication-for-network-access-pana</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5873-pre-authentication-support-for-the-protocol-for-carrying-authentication-for-netw</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5874-an-extensible-markup-language-xml-document-format-for-indicating-a-change-in-xml</loc>
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    <loc>https://metasystema.org/rfc/5875-an-extensible-markup-language-xml-configuration-access-protocol-xcap-diff-event</loc>
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    <loc>https://metasystema.org/rfc/5876-updates-to-asserted-identity-in-the-session-initiation-protocol-sip</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5877-the-application-pkix-attr-cert-media-type-for-attribute-certificates</loc>
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    <loc>https://metasystema.org/rfc/5878-transport-layer-security-tls-authorization-extensions</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5879-heuristics-for-detecting-esp-null-packets</loc>
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    <loc>https://metasystema.org/rfc/5880-bidirectional-forwarding-detection-bfd</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5881-bidirectional-forwarding-detection-bfd-for-ipv4-and-ipv6-single-hop</loc>
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    <loc>https://metasystema.org/rfc/5882-generic-application-of-bidirectional-forwarding-detection-bfd</loc>
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    <loc>https://metasystema.org/rfc/5883-bidirectional-forwarding-detection-bfd-for-multihop-paths</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5884-bidirectional-forwarding-detection-bfd-for-mpls-label-switched-paths-lsps</loc>
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    <loc>https://metasystema.org/rfc/5885-bidirectional-forwarding-detection-bfd-for-the-pseudowire-virtual-circuit-connec</loc>
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    <loc>https://metasystema.org/rfc/5886-a-set-of-monitoring-tools-for-path-computation-element-pce-based-architecture</loc>
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    <loc>https://metasystema.org/rfc/5887-renumbering-still-needs-work</loc>
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    <loc>https://metasystema.org/rfc/5888-the-session-description-protocol-sdp-grouping-framework</loc>
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    <loc>https://metasystema.org/rfc/5889-ip-addressing-model-in-ad-hoc-networks</loc>
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    <loc>https://metasystema.org/rfc/5890-internationalized-domain-names-for-applications-idna-definitions-and-document-fr</loc>
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    <loc>https://metasystema.org/rfc/5891-internationalized-domain-names-in-applications-idna-protocol</loc>
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    <loc>https://metasystema.org/rfc/5892-the-unicode-code-points-and-internationalized-domain-names-for-applications-idna</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5893-right-to-left-scripts-for-internationalized-domain-names-for-applications-idna</loc>
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    <loc>https://metasystema.org/rfc/5894-internationalized-domain-names-for-applications-idna-background-explanation-and</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5895-mapping-characters-for-internationalized-domain-names-in-applications-idna-2008</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5896-generic-security-service-application-program-interface-gss-api-delegate-if-appro</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5897-identification-of-communications-services-in-the-session-initiation-protocol-sip</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5898-connectivity-preconditions-for-session-description-protocol-sdp-media-streams</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5901-extensions-to-the-iodef-document-class-for-reporting-phishing</loc>
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    <loc>https://metasystema.org/rfc/5902-iab-thoughts-on-ipv6-network-address-translation</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5903-elliptic-curve-groups-modulo-a-prime-ecp-groups-for-ike-and-ikev2</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5904-radius-attributes-for-ieee-802-16-privacy-key-management-version-1-pkmv1-protoco</loc>
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    <loc>https://metasystema.org/rfc/5905-network-time-protocol-version-4-protocol-and-algorithms-specification</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5906-network-time-protocol-version-4-autokey-specification</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5907-definitions-of-managed-objects-for-network-time-protocol-version-4-ntpv4</loc>
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    <loc>https://metasystema.org/rfc/5908-network-time-protocol-ntp-server-option-for-dhcpv6</loc>
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    <loc>https://metasystema.org/rfc/5909-securing-neighbor-discovery-proxy-problem-statement</loc>
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    <loc>https://metasystema.org/rfc/5910-domain-name-system-dns-security-extensions-mapping-for-the-extensible-provisioni</loc>
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    <loc>https://metasystema.org/rfc/5911-new-asn-1-modules-for-cryptographic-message-syntax-cms-and-s-mime</loc>
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    <loc>https://metasystema.org/rfc/5912-new-asn-1-modules-for-the-public-key-infrastructure-using-x-509-pkix</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5913-clearance-attribute-and-authority-clearance-constraints-certificate-extension</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5914-trust-anchor-format</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5915-elliptic-curve-private-key-structure</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5916-device-owner-attribute</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5917-clearance-sponsor-attribute</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5918-label-distribution-protocol-ldp-typed-wildcard-forward-equivalence-class-fec</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5919-signaling-ldp-label-advertisement-completion</loc>
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    <loc>https://metasystema.org/rfc/5920-security-framework-for-mpls-and-gmpls-networks</loc>
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    <loc>https://metasystema.org/rfc/5921-a-framework-for-mpls-in-transport-networks</loc>
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    <loc>https://metasystema.org/rfc/5922-domain-certificates-in-the-session-initiation-protocol-sip</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5923-connection-reuse-in-the-session-initiation-protocol-sip</loc>
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    <loc>https://metasystema.org/rfc/5924-extended-key-usage-eku-for-session-initiation-protocol-sip-x-509-certificates</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5925-the-tcp-authentication-option</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5926-cryptographic-algorithms-for-the-tcp-authentication-option-tcp-ao</loc>
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    <loc>https://metasystema.org/rfc/5927-icmp-attacks-against-tcp</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5928-traversal-using-relays-around-nat-turn-resolution-mechanism</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5929-channel-bindings-for-tls</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5930-using-advanced-encryption-standard-counter-mode-aes-ctr-with-the-internet-key-ex</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5931-extensible-authentication-protocol-eap-authentication-using-only-a-password</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5932-camellia-cipher-suites-for-tls</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/5933-use-of-gost-signature-algorithms-in-dnskey-and-rrsig-resource-records-for-dnssec</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5934-trust-anchor-management-protocol-tamp</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5935-expressing-snmp-smi-datatypes-in-xml-schema-definition-language</loc>
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    <loc>https://metasystema.org/rfc/5936-dns-zone-transfer-protocol-axfr</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5937-using-trust-anchor-constraints-during-certification-path-processing</loc>
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    <loc>https://metasystema.org/rfc/5938-individual-session-control-feature-for-the-two-way-active-measurement-protocol-t</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5939-session-description-protocol-sdp-capability-negotiation</loc>
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    <loc>https://metasystema.org/rfc/5940-additional-cryptographic-message-syntax-cms-revocation-information-choices</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5941-sharing-transaction-fraud-data</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5942-ipv6-subnet-model-the-relationship-between-links-and-subnet-prefixes</loc>
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    <loc>https://metasystema.org/rfc/5943-a-dedicated-routing-policy-specification-language-interface-identifier-for-opera</loc>
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    <loc>https://metasystema.org/rfc/5944-ip-mobility-support-for-ipv4-revised</loc>
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    <loc>https://metasystema.org/rfc/5945-resource-reservation-protocol-rsvp-proxy-approaches</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5946-resource-reservation-protocol-rsvp-extensions-for-path-triggered-rsvp-receiver-p</loc>
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    <loc>https://metasystema.org/rfc/5947-requirements-for-multiple-address-of-record-aor-reachability-information-in-the</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5948-transmission-of-ipv4-packets-over-the-ip-convergence-sublayer-of-ieee-802-16</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5949-fast-handovers-for-proxy-mobile-ipv6</loc>
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    <loc>https://metasystema.org/rfc/5950-network-management-framework-for-mpls-based-transport-networks</loc>
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    <loc>https://metasystema.org/rfc/5951-network-management-requirements-for-mpls-based-transport-networks</loc>
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    <loc>https://metasystema.org/rfc/5952-a-recommendation-for-ipv6-address-text-representation</loc>
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    <loc>https://metasystema.org/rfc/5953-transport-layer-security-tls-transport-model-for-the-simple-network-management-p</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5954-essential-correction-for-ipv6-abnf-and-uri-comparison-in-rfc-3261</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5955-the-application-timestamped-data-media-type</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5956-forward-error-correction-grouping-semantics-in-the-session-description-protocol</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5957-display-based-address-sorting-for-the-imap4-sort-extension</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5958-asymmetric-key-packages</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5959-algorithms-for-asymmetric-key-package-content-type</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5960-mpls-transport-profile-data-plane-architecture</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5961-improving-tcp-s-robustness-to-blind-in-window-attacks</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5962-dynamic-extensions-to-the-presence-information-data-format-location-object-pidf</loc>
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    <loc>https://metasystema.org/rfc/5963-ipv6-deployment-in-internet-exchange-points-ixps</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5964-specifying-holes-in-location-to-service-translation-lost-service-boundaries</loc>
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    <loc>https://metasystema.org/rfc/5965-an-extensible-format-for-email-feedback-reports</loc>
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    <loc>https://metasystema.org/rfc/5966-dns-transport-over-tcp-implementation-requirements</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5967-the-application-pkcs10-media-type</loc>
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    <loc>https://metasystema.org/rfc/5968-guidelines-for-extending-the-rtp-control-protocol-rtcp</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5969-ipv6-rapid-deployment-on-ipv4-infrastructures-6rd-protocol-specification</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5970-dhcpv6-options-for-network-boot</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5971-gist-general-internet-signalling-transport</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5972-general-internet-signaling-transport-gist-state-machine</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5973-nat-firewall-nsis-signaling-layer-protocol-nslp</loc>
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    <loc>https://metasystema.org/rfc/5974-nsis-signaling-layer-protocol-nslp-for-quality-of-service-signaling</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5975-qspec-template-for-the-quality-of-service-nsis-signaling-layer-protocol-nslp</loc>
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    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/5976-y-1541-qosm-model-for-networks-using-y-1541-quality-of-service-classes</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5977-rmd-qosm-the-nsis-quality-of-service-model-for-resource-management-in-diffserv</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5978-using-and-extending-the-nsis-protocol-family</loc>
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    <loc>https://metasystema.org/rfc/5979-nsis-operation-over-ip-tunnels</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5980-nsis-protocol-operation-in-mobile-environments</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5981-authorization-for-nsis-signaling-layer-protocols</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5982-ip-flow-information-export-ipfix-mediation-problem-statement</loc>
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    <loc>https://metasystema.org/rfc/5983-mailing-lists-and-internationalized-email-addresses</loc>
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    <loc>https://metasystema.org/rfc/5984-increasing-throughput-in-ip-networks-with-esp-based-forwarding-espbasedforwardin</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5985-http-enabled-location-delivery-held</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/5986-discovering-the-local-location-information-server-lis</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5987-character-set-and-language-encoding-for-hypertext-transfer-protocol-http-header</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5988-web-linking</loc>
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    <loc>https://metasystema.org/rfc/5989-a-sip-event-package-for-subscribing-to-changes-to-an-http-resource</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5990-use-of-the-rsa-kem-key-transport-algorithm-in-the-cryptographic-message-syntax-c</loc>
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    <loc>https://metasystema.org/rfc/5991-teredo-security-updates</loc>
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    <loc>https://metasystema.org/rfc/5992-internationalized-domain-names-registration-and-administration-guidelines-for-eu</loc>
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    <loc>https://metasystema.org/rfc/5993-rtp-payload-format-for-global-system-for-mobile-communications-half-rate-gsm-hr</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5994-application-of-ethernet-pseudowires-to-mpls-transport-networks</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5995-using-post-to-add-members-to-web-distributed-authoring-and-versioning-webdav-col</loc>
    <changefreq>yearly</changefreq>
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  </url>
  <url>
    <loc>https://metasystema.org/rfc/5996-internet-key-exchange-protocol-version-2-ikev2</loc>
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  <url>
    <loc>https://metasystema.org/rfc/5997-use-of-status-server-packets-in-the-remote-authentication-dial-in-user-service-r</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/5998-an-extension-for-eap-only-authentication-in-ikev2</loc>
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    <loc>https://metasystema.org/rfc/6001-generalized-mpls-gmpls-protocol-extensions-for-multi-layer-and-multi-region-netw</loc>
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    <loc>https://metasystema.org/rfc/6002-generalized-mpls-gmpls-data-channel-switching-capable-dcsc-and-channel-set-label</loc>
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    <loc>https://metasystema.org/rfc/6003-ethernet-traffic-parameters</loc>
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    <loc>https://metasystema.org/rfc/6004-generalized-mpls-gmpls-support-for-metro-ethernet-forum-and-g-8011-ethernet-serv</loc>
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    <loc>https://metasystema.org/rfc/6005-generalized-mpls-gmpls-support-for-metro-ethernet-forum-and-g-8011-user-network</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6006-extensions-to-the-path-computation-element-communication-protocol-pcep-for-point</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6007-use-of-the-synchronization-vector-svec-list-for-synchronized-dependent-path-comp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6008-authentication-results-registration-for-differentiating-among-cryptographic-resu</loc>
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    <loc>https://metasystema.org/rfc/6009-sieve-email-filtering-delivery-status-notifications-and-deliver-by-extensions</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6010-cryptographic-message-syntax-cms-content-constraints-extension</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6011-session-initiation-protocol-sip-user-agent-configuration</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6012-datagram-transport-layer-security-dtls-transport-mapping-for-syslog</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6013-tcp-cookie-transactions-tcpct</loc>
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    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/6014-cryptographic-algorithm-identifier-allocation-for-dnssec</loc>
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    <loc>https://metasystema.org/rfc/6015-rtp-payload-format-for-1-d-interleaved-parity-forward-error-correction-fec</loc>
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    <loc>https://metasystema.org/rfc/6016-support-for-the-resource-reservation-protocol-rsvp-in-layer-3-vpns</loc>
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    <loc>https://metasystema.org/rfc/6017-electronic-data-interchange-internet-integration-ediint-features-header-field</loc>
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    <loc>https://metasystema.org/rfc/6018-ipv4-and-ipv6-greynets</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6019-binarytime-an-alternate-format-for-representing-date-and-time-in-asn-1</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6020-yang-a-data-modeling-language-for-the-network-configuration-protocol-netconf</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6021-common-yang-data-types</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6022-yang-module-for-netconf-monitoring</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6023-a-childless-initiation-of-the-internet-key-exchange-version-2-ikev2-security-ass</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6024-trust-anchor-management-requirements</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6025-asn-1-translation</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6026-correct-transaction-handling-for-2xx-responses-to-session-initiation-protocol-si</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6027-ipsec-cluster-problem-statement</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6028-host-identity-protocol-hip-multi-hop-routing-extension</loc>
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    <loc>https://metasystema.org/rfc/6029-a-survey-on-research-on-the-application-layer-traffic-optimization-alto-problem</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/6030-portable-symmetric-key-container-pskc</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/6031-cryptographic-message-syntax-cms-symmetric-key-package-content-type</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6032-cryptographic-message-syntax-cms-encrypted-key-package-content-type</loc>
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  <url>
    <loc>https://metasystema.org/rfc/6033-algorithms-for-cryptographic-message-syntax-cms-encrypted-key-package-content-ty</loc>
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    <loc>https://metasystema.org/rfc/6034-unicast-prefix-based-ipv4-multicast-addresses</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6035-session-initiation-protocol-event-package-for-voice-quality-reporting</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6036-emerging-service-provider-scenarios-for-ipv6-deployment</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6037-cisco-systems-solution-for-multicast-in-bgp-mpls-ip-vpns</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6038-two-way-active-measurement-protocol-twamp-reflect-octets-and-symmetrical-size-fe</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6039-issues-with-existing-cryptographic-protection-methods-for-routing-protocols</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6040-tunnelling-of-explicit-congestion-notification</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6041-forwarding-and-control-element-separation-forces-applicability-statement</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6042-transport-layer-security-tls-authorization-using-keynote</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6043-mikey-ticket-ticket-based-modes-of-key-distribution-in-multimedia-internet-keyin</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6044-mapping-and-interworking-of-diversion-information-between-diversion-and-history</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/6045-real-time-inter-network-defense-rid</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/6046-transport-of-real-time-inter-network-defense-rid-messages</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6047-icalendar-message-based-interoperability-protocol-imip</loc>
    <changefreq>yearly</changefreq>
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  <url>
    <loc>https://metasystema.org/rfc/6048-network-news-transfer-protocol-nntp-additions-to-list-command</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6049-spatial-composition-of-metrics</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6050-a-session-initiation-protocol-sip-extension-for-the-identification-of-services</loc>
    <changefreq>yearly</changefreq>
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    <loc>https://metasystema.org/rfc/6051-rapid-synchronisation-of-rtp-flows</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6052-ipv6-addressing-of-ipv4-ipv6-translators</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6053-implementation-report-for-forwarding-and-control-element-separation-forces</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6054-using-counter-modes-with-encapsulating-security-payload-esp-and-authentication-h</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6055-iab-thoughts-on-encodings-for-internationalized-domain-names</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
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    <loc>https://metasystema.org/rfc/6056-recommendations-for-transport-protocol-port-randomization</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6057-comcast-s-protocol-agnostic-congestion-management-system</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6058-transient-binding-for-proxy-mobile-ipv6</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/6059-simple-procedures-for-detecting-network-attachment-in-ipv6</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/6060-generalized-multiprotocol-label-switching-gmpls-control-of-ethernet-provider-bac</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://metasystema.org/rfc/6061-uniform-resource-name-urn-namespace-for-the-national-emergency-number-associatio</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6062-traversal-using-relays-around-nat-turn-extensions-for-tcp-allocations</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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  <url>
    <loc>https://metasystema.org/rfc/6063-dynamic-symmetric-key-provisioning-protocol-dskpp</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6064-sdp-and-rtsp-extensions-defined-for-3gpp-packet-switched-streaming-service-and-m</loc>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
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    <loc>https://metasystema.org/rfc/6065-using-authentication-authorization-and-accounting-services-to-dynamically-provis</loc>
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    <loc>https://metasystema.org/rfc/6066-transport-layer-security-tls-extensions-extension-definitions</loc>
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    <loc>https://metasystema.org/rfc/6067-bcp-47-extension-u</loc>
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    <loc>https://metasystema.org/rfc/6068-the-mailto-uri-scheme</loc>
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    <loc>https://metasystema.org/rfc/6069-making-tcp-more-robust-to-long-connectivity-disruptions-tcp-lcd</loc>
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    <loc>https://metasystema.org/rfc/6070-pkcs-5-password-based-key-derivation-function-2-pbkdf2-test-vectors</loc>
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    <loc>https://metasystema.org/rfc/6071-ip-security-ipsec-and-internet-key-exchange-ike-document-roadmap</loc>
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    <loc>https://metasystema.org/rfc/6072-certificate-management-service-for-the-session-initiation-protocol-sip</loc>
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    <loc>https://metasystema.org/rfc/6073-segmented-pseudowire</loc>
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    <loc>https://metasystema.org/rfc/6074-provisioning-auto-discovery-and-signaling-in-layer-2-virtual-private-networks-l2</loc>
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    <loc>https://metasystema.org/rfc/6075-the-internet-assigned-number-authority-iana-application-configuration-access-pro</loc>
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    <loc>https://metasystema.org/rfc/6076-basic-telephony-sip-end-to-end-performance-metrics</loc>
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    <loc>https://metasystema.org/rfc/6077-open-research-issues-in-internet-congestion-control</loc>
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    <loc>https://metasystema.org/rfc/6078-host-identity-protocol-hip-immediate-carriage-and-conveyance-of-upper-layer-prot</loc>
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    <loc>https://metasystema.org/rfc/6079-hip-bone-host-identity-protocol-hip-based-overlay-networking-environment-bone</loc>
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    <loc>https://metasystema.org/rfc/6080-a-framework-for-session-initiation-protocol-user-agent-profile-delivery</loc>
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    <loc>https://metasystema.org/rfc/6082-deprecating-unicode-language-tag-characters-rfc-2482-is-historic</loc>
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    <loc>https://metasystema.org/rfc/6083-datagram-transport-layer-security-dtls-for-stream-control-transmission-protocol</loc>
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    <loc>https://metasystema.org/rfc/6084-general-internet-signaling-transport-gist-over-stream-control-transmission-proto</loc>
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    <loc>https://metasystema.org/rfc/6086-session-initiation-protocol-sip-info-method-and-package-framework</loc>
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    <loc>https://metasystema.org/rfc/6087-guidelines-for-authors-and-reviewers-of-yang-data-model-documents</loc>
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    <loc>https://metasystema.org/rfc/6088-traffic-selectors-for-flow-bindings</loc>
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    <loc>https://metasystema.org/rfc/6089-flow-bindings-in-mobile-ipv6-and-network-mobility-nemo-basic-support</loc>
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    <loc>https://metasystema.org/rfc/6090-fundamental-elliptic-curve-cryptography-algorithms</loc>
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    <loc>https://metasystema.org/rfc/6091-using-openpgp-keys-for-transport-layer-security-tls-authentication</loc>
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    <loc>https://metasystema.org/rfc/6092-recommended-simple-security-capabilities-in-customer-premises-equipment-cpe-for</loc>
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    <loc>https://metasystema.org/rfc/6093-on-the-implementation-of-the-tcp-urgent-mechanism</loc>
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    <loc>https://metasystema.org/rfc/6094-summary-of-cryptographic-authentication-algorithm-implementation-requirements-fo</loc>
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    <loc>https://metasystema.org/rfc/6095-extending-yang-with-language-abstractions</loc>
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    <loc>https://metasystema.org/rfc/6096-stream-control-transmission-protocol-sctp-chunk-flags-registration</loc>
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    <loc>https://metasystema.org/rfc/6097-local-mobility-anchor-lma-discovery-for-proxy-mobile-ipv6</loc>
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    <loc>https://metasystema.org/rfc/6109-la-posta-elettronica-certificata-italian-certified-electronic-mail</loc>
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    <loc>https://metasystema.org/rfc/6125-representation-and-verification-of-domain-based-application-service-identity-wit</loc>
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    <loc>https://metasystema.org/rfc/6126-the-babel-routing-protocol</loc>
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