A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Multicast using Bit Index Explicit Replication
Authors : IJsbrand Wijnands
Eric C. Rosen
Andrew Dolganow
Tony Przygienda
Sam K Aldrin
Filename : draft-wijnands-bier-architecture-03.txt
Pages : 29
Date : 2015-01-27
Abstract:
This document specifies a new architecture for the forwarding of
multicast data packets. It provides optimal forwarding of multicast
packets through a "multicast domain". However, it does not require
any explicit tree-building protocol, nor does it require intermediate
nodes to maintain any per-flow state. This architecture is known as
"Bit Index Explicit Replication" (BIER). When a multicast data
packet enters the domain, the ingress router determines the set of
egress routers to which the packet needs to be sent. The ingress
router then encapsulates the packet in a BIER header. The BIER
header contains a bitstring in which each bit represents exactly one
egress router in the domain; to forward the packet to a given set of
egress routers, the bits corresponding to those routers are set in
the BIER header. Elimination of the per-flow state and the explicit
tree-building protocols results in a considerable simplification.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-wijnands-bier-architecture/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-wijnands-bier-architecture-03
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-wijnands-bier-architecture-03
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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