At 9:23 AM -0600 9/5/00, Brad Huntting wrote:
>Forgive me if this has been discussed already, but should applications
>be able to use v4 mapped multicast addresses the same way they use
>v6 multicast addresses?

I think we did discuss this is the past and concluded that the v4-mapped
v6 addresses were only meaningful when carrying IPv4 non-loopback, unicast
addresses.  Thus, the IPv6 node should not have to do multiple, different
prefix checks to determine if an address is a multicast address or a
loopback address.

Steve

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