A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Bit Indexed Explicit Replication Working Group of the IETF.
Title : Encapsulation for Bit Index Explicit Replication in MPLS Networks
Authors : IJsbrand Wijnands
Eric C. Rosen
Andrew Dolganow
Jeff Tantsura
Sam K Aldrin
Filename : draft-ietf-bier-mpls-encapsulation-00.txt
Pages : 13
Date : 2015-04-27
Abstract:
Bit Index Explicit Replication (BIER) is an architecture that
provides optimal multicast forwarding through a "multicast domain",
without requiring intermediate routers to maintain any per-flow state
or to engage in an explicit tree-building protocol. 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. The details of the encapsulation depend on the type
of network used to realize the multicast domain. This document
specifies the BIER encapsulation to be used in an MPLS network.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bier-mpls-encapsulation/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-bier-mpls-encapsulation-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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