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Title : Explicit Multicast (Xcast) Concepts and Options
Author(s) : R. Boivie, et al.
Filename : draft-ooms-xcast-basic-spec-13.txt
Pages : 34
Date : 2007-7-9
While traditional IP multicast schemes [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 (Xcast)), 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.
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