[New-wg-docs] I-D Action: draft-ietf-spring-node-protection-for-sr-te-paths-00.txt
internet-drafts@ietf.org Mon, 21 September 2020 09:48 UTC
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Subject: [New-wg-docs] I-D Action: draft-ietf-spring-node-protection-for-sr-te-paths-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Source Packet Routing in Networking WG of the IETF. Title : Node Protection for SR-TE Paths Authors : Shraddha Hegde Chris Bowers Stephane Litkowski Xiaohu Xu Feng Xu Filename : draft-ietf-spring-node-protection-for-sr-te-paths-00.txt Pages : 13 Date : 2020-09-21 Abstract: Segment routing supports the creation of explicit paths using adjacency-sids, node-sids, and binding-sids. 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 label stack describing an SR-TE path to provide protection against node failures. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-spring-node-protection-for-sr-te-paths/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-spring-node-protection-for-sr-te-paths-00 https://datatracker.ietf.org/doc/html/draft-ietf-spring-node-protection-for-sr-te-paths-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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