WG,
This draft discusses an important topic of segment protection
For SR-TE paths. There aren't any significant changes from last version.
Would be helpful if you review the draft and send comments.
Rgds
Shraddha
Juniper Business Use Only
-----Original Message-----
From: internet-dra...@ietf.org <internet-dra...@ietf.org>
Sent: 30 June 2025 09:04
To: i-d-annou...@ietf.org
Cc: spring@ietf.org
Subject: [spring] I-D Action:
draft-ietf-spring-segment-protection-sr-te-paths-08.txt
[External Email. Be cautious of content]
Internet-Draft draft-ietf-spring-segment-protection-sr-te-paths-08.txt is now
available. It is a work item of the Source Packet Routing in Networking
(SPRING) WG of the IETF.
Title: Segment Protection for SR-TE Paths
Authors: Shraddha Hegde
Chris Bowers
Stephane Litkowski
Xiaohu Xu
Feng Xu
Name: draft-ietf-spring-segment-protection-sr-te-paths-08.txt
Pages: 20
Dates: 2025-06-29
Abstract:
Segment routing supports the creation of explicit paths using Adj-
Segment-ID (SID), Node-SIDs, and BSIDs. It is important to provide
fast reroute (FRR) mechanisms to respond to failures of links and
nodes in the Segment-Routed Traffic-Engineered(SR-TE) path. A point
of local repair (PLR) can provide FRR protection against the failure
of a link in an SR-TE path by examining only the first (top) label in
the SR label stack. In order to protect against the failure of a
node, a PLR may need to examine the second label in the stack as
well, in order to determine SR-TE path beyond the failed node. This
document specifies how a PLR can use the first and second label in
the SR-MPLS label stack describing an SR-TE path to provide
protection against node failures.
The IETF datatracker status page for this Internet-Draft is:
https://urldefense.com/v3/__https://datatracker.ietf.org/doc/draft-ietf-spring-segment-protection-sr-te-paths/__;!!NEt6yMaO-gk!FoL84LgfP2nDULEbVIP8y4g6VRFFuibd84qHcVYZymcQ_pbrq8EmcJuLmWqOWWh_G8E-F7hUpSCAvAlATR71nQnCns0$
There is also an HTMLized version available at:
https://urldefense.com/v3/__https://datatracker.ietf.org/doc/html/draft-ietf-spring-segment-protection-sr-te-paths-08__;!!NEt6yMaO-gk!FoL84LgfP2nDULEbVIP8y4g6VRFFuibd84qHcVYZymcQ_pbrq8EmcJuLmWqOWWh_G8E-F7hUpSCAvAlATR71NUnbMOI$
A diff from the previous version is available at:
https://urldefense.com/v3/__https://author-tools.ietf.org/iddiff?url2=draft-ietf-spring-segment-protection-sr-te-paths-08__;!!NEt6yMaO-gk!FoL84LgfP2nDULEbVIP8y4g6VRFFuibd84qHcVYZymcQ_pbrq8EmcJuLmWqOWWh_G8E-F7hUpSCAvAlATR71uvPyid8$
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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