[rfc-dist] RFC 5058 on Explicit Multicast (Xcast) Concepts and Options
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Mon Nov 19 17:49:09 PST 2007
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Title: Explicit Multicast (Xcast) Concepts and
Author: R. Boivie, N. Feldman,
Y. Imai, W. Livens,
Date: November 2007
Mailbox: rhboivie at us.ibm.com,
nkfeldman at yahoo.com,
ug at xcast.jp, wim at livens.net,
dirk at onesparrow.com
I-D Tag: draft-ooms-xcast-basic-spec-13.txt
While traditional IP multicast schemes (RFC 1112) are scalable for very
large multicast groups, they have scalability issues with a very
large number of distinct multicast groups. This document describes
Xcast (Explicit Multi-unicast), a new multicast scheme with
complementary scaling properties: Xcast supports a very large number
of small multicast sessions. Xcast achieves this by explicitly
encoding the list of destinations in the data packets, instead of
using a multicast group address.
This document discusses Xcast concepts and options in several areas;
it does not provide a complete technical specification. This memo defines
an Experimental Protocol for the Internet community.
EXPERIMENTAL: This memo defines an Experimental Protocol for the Internet
community. It does not specify an Internet standard of any kind. Discussion
and suggestions for improvement are requested. Distribution of this memo
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