>> faithd does NAT while changing the address family at the same time, doesn't
>> it?
>No doubt one of the KAME folks will correct me but my impression was
>that it was more of a TCP-layer proxy rather than a layer-3 NAT.
exactly, it is a TCP-layer proxy with specific address handling
(lowermost 32bit used to relay IPv6 TCP session to IPv4 TCp session).
>Regardless of how it works, it's one of many ways for a
>site-local-addresses-only node to get external connectivity.
yes.
itojun
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