A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A Simple Method for Segmenting Multicast Tunnels for Multicast VPNs
Author(s) : M. Napierala, et al.
Filename : draft-rosen-l3vpn-mvpn-segments-01.txt
Pages : 14
Date : 2011-05-02
To provide Multicast VPN (MVPN) Service, Service Providers (SPs) need
to instantiate multicast tunnels (known as "P-tunnels") that enable
the Provider Edge (PE) routers of a given VPN to transmit multicast
packets to each other. Some SPs organize their networks in a
hierarchical manner, with the PE routers in "edge areas", and the
edge areas connected to each other via a "core area". A P-tunnel that
connects PE routers in different edge areas can be thought of as
having three segments: a segment through one edge area, a segment
through the core area, and a segment through the second edge area.
It is desirable to preserve the independence of the core area by
allowing it to use a different tunneling technology than that used in
the edge areas. However, it is not desirable for the core area
Border Routers (BRs) to participate in the MVPN-specific signaling,
or even to have any knowledge of which MVPNs are in the edge areas
that attach to it. This document specifies a simple method for
segmenting MVPN P-tunnels at the BRs, subject to these constraints.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-rosen-l3vpn-mvpn-segments-01.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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- <ftp://ftp.ietf.org/internet-drafts/draft-rosen-l3vpn-mvpn-segments-01.txt>
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