A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the BGP Enabled Services Working Group of the IETF.
Title : Ingress Replication Tunnels in Multicast VPN
Authors : Eric C. Rosen
Karthik Subramanian
Zhaohui Zhang
Filename : draft-ietf-bess-ir-00.txt
Pages : 19
Date : 2015-01-13
Abstract:
RFCs 6513, 6514, and other RFCs describe procedures by which a
Service Provider may offer Multicast VPN service to its customers.
These procedures create point-to-multipoint (P2MP) or multipoint-to-
multipoint trees across the Service Provider's backbone. One type of
P2MP tree that may be used is known as an "Ingress Replication (IR)
tunnel". In an IR tunnel, a parent node need not be "directly
connected" to its child nodes. When a parent node has to send a
multicast data packet to its child nodes, it does not use layer 2
multicast, IP multicast, or MPLS multicast to do so. Rather, it
makes n individual copies, and then unicasts each copy, through an IP
or MPLS unicast tunnel, to exactly one child node. While the prior
MVPN specifications allow the use of IR tunnels, those specifications
are not always very clear or explicit about how the MVPN protocol
elements and procedures are applied to IR tunnels. This document
updates RFCs 6513 and 6514 by adding additional details that are
specific to the use of IR tunnels.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-ir/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-bess-ir-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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