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RFC 7271

"MPLS Transport Profile (MPLS-TP) Linear Protection to Match the Operational Expectations of Synchronous Digital Hierarchy, Optical Transport Network, and Ethernet Transport Network Operators", June 2014

Canonical URL:
http://www.rfc-editor.org/rfc/rfc7271.txt
This document is also available in this non-normative format: PDF.
Status:
PROPOSED STANDARD
Updates:
RFC 6378
Authors:
J. Ryoo, Ed.
E. Gray, Ed.
H. van Helvoort
A. D'Alessandro
T. Cheung
E. Osborne
Stream:
IETF
Source:
mpls (rtg)

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Abstract

This document describes alternate mechanisms to perform some of the functions of MPLS Transport Profile (MPLS-TP) linear protection defined in RFC 6378, and also defines additional mechanisms. The purpose of these alternate and additional mechanisms is to provide operator control and experience that more closely models the behavior of linear protection seen in other transport networks. This document also introduces capabilities and modes for linear protection. A capability is an individual behavior, and a mode is a particular combination of capabilities. Two modes are defined in this document: Protection State Coordination (PSC) mode and Automatic Protection Switching (APS) mode. This document describes the behavior of the PSC protocol including priority logic and state machine when all the capabilities associated with the APS mode are enabled. This document updates RFC 6378 in that the capability advertisement method defined here is an addition to that document.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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