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Title : Point-to-Multipoint Pseudowire Signaling and Auto-Discovery in Layer 2 Virtual Private Networks
Author(s) : R. Aggarwal
Filename : draft-raggarwa-l2vpn-p2mp-pw-00.txt
Pages : 12
Date : 2007-11-13
A Point-to-Multipoint (P2MP) Pseudo Wire (PW) is a mechanism that
emulates the essential attributes of a unidirectional P2MP
Telecommunications service such as P2MP ATM over a Packet Switched
Network (PSN). [RFC4664] describes a number of different ways in
which sets of PWs may be combined together into "Provider Provisioned
Layer 2 VPNs" (L2 PPVPNs, or L2VPNs), resulting in a number of
different kinds of L2VPN. P2MP PWs enable a L2VPN to provide a
Virtual Private P2MP unidirectional service (VPMS), which may be in
addition to the Virtual Private Wire Service (VPWS) offered by the
L2VPN.
This document describes how procedures outlined in [VPLS-MCAST] can
be used to signal P2MP PWs and enable a P2MP unidirectional service
in a L2VPN.
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