Internet-Draft draft-ietf-rtgwg-segment-routing-ti-lfa-18.txt is now
available. It is a work item of the Routing Area Working Group (RTGWG) WG of
the IETF.
Title: Topology Independent Fast Reroute using Segment Routing
Authors: Ahmed Bashandy
Stephane Litkowski
Clarence Filsfils
Pierre Francois
Bruno Decraene
Daniel Voyer
Name: draft-ietf-rtgwg-segment-routing-ti-lfa-18.txt
Pages: 27
Dates: 2024-11-13
Abstract:
This document presents Topology Independent Loop-free Alternate Fast
Reroute (TI-LFA), aimed at providing protection of node and adjacency
segments within the Segment Routing (SR) framework. This Fast
Reroute (FRR) behavior builds on proven IP Fast Reroute concepts
being LFAs, remote LFAs (RLFA), and remote LFAs with directed
forwarding (DLFA). It extends these concepts to provide guaranteed
coverage in any two-connected networks using a link-state IGP.
Although not a TI-LFA requirement or constraint, TI-LFA also brings
the benefit of the ability to provide a backup path that follows the
expected post-convergence path, reducing the operational need to
control the tie-breaks among various FRR options.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-rtgwg-segment-routing-ti-lfa/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-rtgwg-segment-routing-ti-lfa-18
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-rtgwg-segment-routing-ti-lfa-18
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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