Re: v6-in-v4 configured tunneling over v4 multicast (vs 6over4)

[Erik Nordmark <Erik.Nordmark@sun.com>]

> If you want to create point-to-multipoint tunnels over v4 multicast
> infrastructure, wouldn't the obvious solution be simply using
> configured tunneling?  That is, you configure the tunnel destination
> v4 address to be a multicast address (this requires zero code
> changes), and the decapsulators configure their "local end" to be the
> multicast address (requires code change in the tunnel setup tool to
> permanently join the specified multicast address)?

This implies that all IPv6 (unicast and multicast) packets will be sent
as IPv4 multicast, right?

While that might significantly increase the use of IPv4 multicast, it might
have negative implications on the performance of the network :-)

  Erik