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RFC 7771
Title: Switching Provider Edge (S-PE) Protection
for MPLS and MPLS Transport Profile
(MPLS-TP) Static Multi-Segment Pseudowires
Author: A. Malis, Ed., L. Andersson,
H. van Helvoort, J. Shin,
L. Wang, A. D'Alessandro
Status: Standards Track
Stream: IETF
Date: January 2016
Mailbox: agmalis@gmail.com,
loa@mail01.huawei.com,
huubatwork@gmail.com,
jongyoon.shin@sk.com,
wangleiyj@chinamobile.com,
alessandro.dalessandro@telecomitalia.it
Pages: 9
Characters: 19235
Updates: RFC 6870
I-D Tag: draft-ietf-pals-ms-pw-protection-04.txt
URL: https://www.rfc-editor.org/info/rfc7771
DOI: http://dx.doi.org/10.17487/RFC7771
In MPLS and MPLS Transport Profile (MPLS-TP) environments, statically
provisioned Single-Segment Pseudowires (SS-PWs) are protected against
tunnel failure via MPLS-level and MPLS-TP-level tunnel protection.
With statically provisioned Multi-Segment Pseudowires (MS-PWs), each
segment of the MS-PW is likewise protected from tunnel failures via
MPLS-level and MPLS-TP-level tunnel protection. However, static
MS-PWs are not protected end-to-end against failure of one of the
Switching Provider Edge Routers (S-PEs) along the path of the
MS-PW. This document describes how to achieve this protection via
redundant MS-PWs by updating the existing procedures in RFC 6870.
It also contains an optional approach based on MPLS-TP Linear
Protection.
This document is a product of the Pseudowire And LDP-enabled Services 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
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