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RFC 5979: NSIS Operation over IP Tunnels

In plain English — editorial summary, not part of the RFC

NSIS Quality of Service (QoS) signaling enables applications to perform QoS reservation along a data flow path. When the data flow path contains IP tunnel segments, NSIS QoS signaling has no effect within those tunnel segments. Therefore, the resulting tunnel segments could become the weakest QoS link and invalidate the QoS efforts in the rest of the end-to-end path. The problem with NSIS signaling within the tunnel is caused by the tunnel encapsulation that masks packets' original IP header fields. Those original IP header fields are needed to intercept NSIS signaling messages and classify QoS data packets. This document defines a solution to this problem by mapping end-to-end QoS session requests to corresponding QoS sessions in the tunnel, thus extending the end-to-end QoS signaling into the IP tunnel segments. This document defines an Experimental Protocol for the Internet community.

Document record

Document ID
RFC5979
Published
March 2011
Authors
C. Shen; H. Schulzrinne; S. Lee; J. Bang
Status
EXPERIMENTAL
Stream
IETF
Area
tsv
Pages
27
Also known as
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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canonical URL: /rfc/5979-nsis-operation-over-ip-tunnels