I-D Action: draft-atlas-rtgwg-mrt-mc-arch-00.txt
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Subject: I-D Action: draft-atlas-rtgwg-mrt-mc-arch-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : An Architecture for Multicast Protection Using Maximally Redundant Trees
Author(s) : Alia Atlas
Robert Kebler
IJsbrand Wijnands
Andras Csaszar
Gabor Sandor Enyedi
Filename : draft-atlas-rtgwg-mrt-mc-arch-00.txt
Pages : 29
Date : 2012-03-05
Failure protection is desirable for multicast traffic, whether
signaled via PIM or mLDP. Different mechanisms are suitable for
different use-cases and deployment scenarios. This document
describes the architecture for global protection (aka multicast live-
live) and for local protection (aka fast-reroute).
The general methods for global protection and local protection using
alternate-trees are dependent upon the use of Maximally Redundant
Trees. Local protection can also tunnel traffic in unicast tunnels
to take advantage of the routing and fast-reroute mechanisms
available for IP/LDP unicast destinations.
The failures protected against are single link or node failures.
While the basic architecture might support protection against shared
risk group failures, algorithms to dynamically compute MRTs
supporting this are for future study.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-atlas-rtgwg-mrt-mc-arch-00.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-atlas-rtgwg-mrt-mc-arch-00.txt
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