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RFC 8796
Title: RSVP-TE Summary Fast Reroute Extensions
for Label Switched Path (LSP) Tunnels
Author: M. Taillon,
T. Saad, Ed.,
R. Gandhi,
A. Deshmukh,
M. Jork,
V. Beeram
Status: Standards Track
Stream: IETF
Date: July 2020
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 18
Updates: RFC 4090
I-D Tag: draft-ietf-mpls-summary-frr-rsvpte-09.txt
URL: https://www.rfc-editor.org/info/rfc8796
DOI: 10.17487/RFC8796
This document updates RFC 4090 for the Resource Reservation Protocol
(RSVP) Traffic Engineering (TE) procedures defined for facility
backup protection. The updates include extensions that reduce the
amount of signaling and processing that occurs during Fast Reroute
(FRR); as a result, scalability when undergoing FRR convergence after
a link or node failure is improved. These extensions allow the RSVP
message exchange between the Point of Local Repair (PLR) and the
Merge Point (MP) nodes to be independent of the number of protected
Label Switched Paths (LSPs) traversing between them when facility
bypass FRR protection is used. The signaling extensions are fully
backwards compatible with nodes that do not support them.
This document is a product of the Multiprotocol Label Switching Working Group
of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
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