A modest proposal.

[Robert McQueen]

Robert McQueen wrote:
> Key verification of link-locally reachable contacts can be used to
> resolve these contacts on the local network too.

Ah, I misread a bit of the OP, deriving local IPv6 addresses from the
contact address is actually a pretty neat tweak. :) It's orthogonal to
the addressing scheme used however, and we probably want to do key
verification when we initiate communications anyway.

Regards,
Rob