A New Internet-Draft is available from the on-line Internet-Drafts
directories.
Title : IPv4 over IPv6 multicast
Author(s) : M. Xu, et al.
Filename : draft-xu-softwire-4over6multicast-00.txt
Pages : 10
Date : 2006-9-13
The 4over6 mechanism is a mechanism to interconnect IPv4 networks
over IPv6 backbones and provide IPv4-to-IPv6 transparent routing.
The 4over6 unicast has been described in
draft-wu-softwire-mesh-framework-00.txt.
This memo provides the 4over6 multicast mechanism. We use BGP for
discovering and maintaining the membership among all the Provider
Edges (PE), and use IPv6 and IPv4 PIM-SM to construct the
distribution tree. In the IPv6 backbone, static PIM-SSM trees are
initially constructed for every PE. All the multicast traffic from
the same PE are forwarded through only one PIM-SSM tree to avoid P
routers maintaining too much state information. The process of
encapsulation and decapsulation is the same as 4over6 unicast.
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