António Amaral wrote:
> Dear All,
> 
> Can you please tell me if there is an IETF Group for IPv4 IPv6 multicast
> transition?

In short: there is a IPv4 to IPv6 multicast gateway, as created by Stig
Venaas, available on the m6bone. This makes all IPv4 multicast groups
available to the IPv6 multicast world.

eg see:
http://www.uninett.no/testnett/multicast/mcgw/
or:
http://www.terena.nl/tech/task-forces/tf-ngn/tf-ngn10/20030206_SV_multicast_gateway.pdf

Currently this gateway is being run by Renater. Questions about it can
be asked on the m6bone mailinglist (See www.m6bone.net).

As for transition of islands/hosts. Multicast should come together with
IPv6 connectivity. As such normal IPv4 to IPv6 transition mechanisms
apply. Some transition mechanisms (eg 6to4, teredo) don't support
multicast but most of the others do. It is more a router issue, just
like currently with IPv4 if it gets supported by the transition
mechanism or not.

Greets,
 Jeroen

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