> We lost our chance to avoid NAT's when variable length addresses were > removed from TCPv2.5 (IIRC the version number correctly). or maybe when IAB was shot down after Kobe :) > NAT's are here, like it or not, and the only question is how to make > lemonade out of them. see my other comment about magic pixie dust. the way to fix NATs is to obsolete them. IPv6 is the best shot we have at that.