A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Pseudowire Emulation Edge to Edge Working Group of the IETF.
Title : Pseudowire Preferential Forwarding Status Bit
Author(s) : Praveen Muley
Mustapha Aissaoui
Filename : draft-ietf-pwe3-redundancy-bit-08.txt
Pages : 34
Date : 2012-09-14
Abstract:
This document describes a mechanism for signaling the active and
standby status of redundant pseudowires (PWs) between their
termination points. A set of redundant PWs is configured between
provider edge (PE) nodes in single-segment pseudowire (SS-PW)
applications, or between terminating provider edge (T-PE) nodes in
multi-segment pseudowire (MS-PW) applications.
In order for the PE/T-PE nodes to indicate the preferred PW to use
for forwarding PW packets to one another, a new status bit is
defined. This bit indicates a preferential forwarding status with a
value of Active or Standby for each PW in a redundant set.
In addition, a second status bit is defined to allow peer PE nodes
to coordinate a switchover operation of the PW.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pwe3-redundancy-bit
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-pwe3-redundancy-bit-08
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-pwe3-redundancy-bit-08
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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