A New Internet-Draft is available from the on-line Internet-Drafts
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Title : LDP extensions for Explicit Pseudowire to transport LSP mapping
Author(s) : M. Chen, W. Cao, A. Takacs
Filename : draft-cao-pwe3-mpls-tp-pw-over-bidir-lsp-00.txt
Pages : 10
Date : 2010-7-5
Currently a Pseudowire (PW) uses two reverse unidirectional LSPs as
Packet Switching Network (PSN) tunnels, and each PE of a PW or
segment of MS-PW selects PSN tunnels independently. In contrast
MPLS-TP requires support for both bidirectional and unidirectional
LSPs. In addition some transport services may require bidirectional
traffic follows with congruent paths. Therefore, PWs may be required
to use PSN tunnels with congruent paths.
This document specifies some extensions to LDP that ensures both
ends of a PW (or segment PW) select and bind to the same
bidirectional LSP or use unidirectional LSPs with congruent paths.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-cao-pwe3-mpls-tp-pw-over-bidir-lsp-00.txt
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