Cameron Byrne wrote: >> The primary reason why the IPv4 -> IPv6 transition is so painful >> is that it requires everyone one and everything to become multi-homed >> and every software to perform multi-connect, even though most >> devices actually just have a single interface. It was not a problem, because IPv6 was designed to be able to handle multiple addresses properly with a single interface. >> It would be so much easier if hosts on the public internet could >> use one single IPv6 address that contains both, the IPv6 network prefix >> and the IPv4 host address, and then let the network figure out whether >> the connect goes through as IPv4 or IPv6 (for IPv6 clients). > This is largely (not entirely) achieved with nat64 / dns64. Assuming NAT, we don't need IPv6. Moreover, unlike nat64, nat44 can be fully transparent end to end. So, why do we have to be bothered by 6to4? Masataka Ohta _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf