From: Keith Moore (moore_at_no.spam)
Date: Tue Nov 13 2001 - 06:30:17 PST
[recipient list trimmed - this has nothing to do with smtp]
> As Dan writes, the IPv4 address space should be fully included in the
> IPv6 address space.
then please explain how it is possible for a host that only supports IPv4
to send a reply to a host that only has an IPv6 address - how is the v4
host sending a reply going to fit the v6 host's 128-bit address
into the 32-bit destination address field of an IPv4 packet?
Keith
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