>> NAT-PT (RFC 2766) is being moved to Historic status. RFC 3142 is >> Informational. Without a standards-track method for people to use >> IPv4, changing a production network to IPv6 seems unwise. >> > > RFC status does not have direct connection with "being implemented" or > "being deployed" (see all the W3C standards which did not originate > in IETF). > > at N+I tokyo we have been using RFC2766/3142 for IPv6-only net cafe > since around year 2000 or something. in June 2007 N+I network team > used Windows Vista official releases as the clients. > NAT-PT really needs to be wiped off the face of the earth. It provides all of the disadvantages of IPv4+NAT with all of the transition costs of IPv6. If there is ever any significant penetration of NAT-PT, then the pseudo-IPv6 network will not be able to support any more kinds of applications than the NATted IPv4 does today. Keith _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf