A new Request for Comments is now available in online RFC libraries.
RFC 7715
Title: Multipoint LDP (mLDP) Node Protection
Author: IJ. Wijnands, Ed.,
K. Raza,
A. Atlas,
J. Tantsura,
Q. Zhao
Status: Standards Track
Stream: IETF
Date: January 2016
Mailbox: ice@cisco.com,
skraza@cisco.com,
akatlas@juniper.net,
jeff.tantsura@ericsson.com,
quintin.zhao@huawei.com
Pages: 19
Characters: 39353
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-mpls-mldp-node-protection-08.txt
URL: https://www.rfc-editor.org/info/rfc7715
DOI: http://dx.doi.org/10.17487/RFC7715
This document describes procedures to support node protection for
Point-to-Multipoint and Multipoint-to-Multipoint Label Switched Paths
(P2MP and MP2MP LSPs) that have been built by the Multipoint Label
Distribution Protocol (mLDP). In order to protect a node N, the
Point of Local Repair (PLR) Label Switching Router (LSR) of N must
learn the Merge Point (MPT) LSR(s) of node N such that traffic can be
redirected to them in case node N fails. Redirecting the traffic
around the failed node N depends on existing Point-to-Point (P2P)
Label Switched Paths (LSPs). The pre-established LSPs originate from
the PLR LSR and terminate on the MPT LSRs while bypassing LSR N.
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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