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RFC 5586

"MPLS Generic Associated Channel", June 2009

Canonical URL:
http://www.rfc-editor.org/rfc/rfc5586.txt
This document is also available in this non-normative format: PDF.
Status:
PROPOSED STANDARD
Updates:
RFC 3032, RFC 4385, RFC 5085
Updated by:
RFC 6423, RFC 7026
Authors:
M. Bocci, Ed.
M. Vigoureux, Ed.
S. Bryant, Ed.
Stream:
IETF
Source:
mpls (rtg)

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Abstract

This document generalizes the applicability of the pseudowire (PW) Associated Channel Header (ACH), enabling the realization of a control channel associated to MPLS Label Switched Paths (LSPs) and MPLS Sections in addition to MPLS pseudowires. In order to identify the presence of this Associated Channel Header in the label stack, this document also assigns one of the reserved MPLS label values to the Generic Associated Channel Label (GAL), to be used as a label based exception mechanism.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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