[spring] Re: WG Adoption Call for draft-ali-spring-srv6-policy-sid-list-optimization-01

Zhanghaiyang <zhang.haiyangA@h3c.com> Thu, 30 October 2025 07:45 UTC

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From: Zhanghaiyang <zhang.haiyangA@h3c.com>
To: "spring@ietf.org" <spring@ietf.org>
Thread-Topic: WG Adoption Call for draft-ali-spring-srv6-policy-sid-list-optimization-01
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Date: Thu, 30 Oct 2025 07:45:02 +0000
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Subject: [spring] Re: WG Adoption Call for draft-ali-spring-srv6-policy-sid-list-optimization-01
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Hi Bruno and WG,


I support the adoption of the draft. This draft provides more flexible use for SRv6 Policy SID list.


Best Regards
Haiyang



发件人: bruno.decraene@orange.com<mailto:bruno.decraene@orange.com> <bruno.decraene@orange.com<mailto:bruno.decraene@orange.com>>
发送时间: 2025年10月29日 21:32
收件人: SPRING WG List <spring@ietf.org<mailto:spring@ietf.org>>
抄送: draft-ali-spring-srv6-policy-sid-list-optimization@ietf.org<mailto:draft-ali-spring-srv6-policy-sid-list-optimization@ietf.org>
主题: WG Adoption Call for draft-ali-spring-srv6-policy-sid-list-optimization-01

Dear WG:

This message starts a three-week adoption call for draft-ali-spring-srv6-policy-sid-list-optimization, ending on November/19.

From the Abstract:

   Segment Routing (SR) allows a node to steer a packet flow along any
   path.  SR Policy is an ordered list of segments (i.e., instructions)
   that represent a source-routed policy.  The packets steered into an
   SR Policy carry an ordered list of segments associated with that SR
   Policy.  An SR Policy can be instantiated SR-MPLS and SRv6 data
   planes.

   In some use cases, an SRv6 Policy's SID list ends with the policy
   endpoint's node SID, and the traffic steered (over policy) already
   ensures that it is taken to the policy endpoint.  In such cases, the
   SID list can be optimized by excluding the endpoint Node SID when
   installing the policy.  This draft specifies procedures to indicate
   whether the endpoint's node SID needs to be included or excluded when
   installing the SRv6 Policy.

https://datatracker.ietf.org/doc/html/draft-ali-spring-srv6-policy-sid-list-optimization



Please review the draft and consider whether you support its adoption by
the WG. Please share any thoughts with the list to indicate support or
opposition -- this is not a vote.

If you are willing to provide a more in-depth review, please state it
explicitly to give the chairs an indication of the energy level in the
working group willing to work on the document.

WG adoption is the start of the process. The fundamental question is
whether you agree the proposal is worth the WG's time to work on and
whether this draft represents a good starting point. The chairs are
particularly interested in hearing the opinions of people who are not
authors of the document.


Thanks!

Bruno (for the Chairs)

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