A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : LDP extensions for Explicit Pseudowire to transport LSP mapping
Author(s) : Mach(Guoyi) Chen
Wei Cao
Attila Takacs
Ping Pan
Filename : draft-cao-pwe3-mpls-tp-pw-over-bidir-lsp-04.txt
Pages : 16
Date : 2011-10-27
A bidirectional Pseudowire (PW) service currently uses two
unidirectional PWs each carried over a unidirectional LSP. Each end
point of a PW or segment of multi-segment PW (MS-PW) independently
selects the LSP to use to carry the PW for which it is the head end.
Some transport services may require that bidirectional PW traffic
follows the same paths through the network in both directions.
Therefore, PWs may be required to use LSP with the same paths. Co-
routed bidirectional LSPs or unidirectional LSPs with the same route
(links and nodes) allow this service to be provided.
This document specifies an optional extension to LDP that allows both
ends of a PW (or segment of a MS-PW) to select and bind to the same
co-routed bidirectional LSP or two unidirectional LSPs with the same
route.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-cao-pwe3-mpls-tp-pw-over-bidir-lsp-04.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-cao-pwe3-mpls-tp-pw-over-bidir-lsp-04.txt
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