A New Internet-Draft is available from the on-line Internet-Drafts
directories. This Internet-Draft is a work item of the Source Packet Routing
in Networking (SPRING) WG of the IETF.
Title : Integration of Network Service Header (NSH) and Segment
Routing for Service Function Chaining (SFC)
Authors : James N Guichard
Jeff Tantsura
Filename : draft-ietf-spring-nsh-sr-13.txt
Pages : 18
Date : 2023-04-27
Abstract:
This document describes the integration of the Network Service Header
(NSH) and Segment Routing (SR), as well as encapsulation details, to
efficiently support Service Function Chaining (SFC) while maintaining
separation of the service and transport planes as originally intended
by the SFC architecture.
Combining these technologies allows SR to be used for steering
packets between Service Function Forwarders (SFF) along a given
Service Function Path (SFP) while NSH has the responsibility for
maintaining the integrity of the service plane, the SFC instance
context, and any associated metadata.
This integration demonstrates that NSH and SR can work cooperatively
and provide a network operator with the flexibility to use whichever
transport technology makes sense in specific areas of their network
infrastructure while still maintaining an end-to-end service plane
using NSH.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-spring-nsh-sr/
There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-spring-nsh-sr-13
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-spring-nsh-sr-13
Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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