In message <m2tx18e3b5.wl%randy@xxxxxxx>, Randy Bush writes: > >>> DNS64 is not the only solution for a ISP to go IPv6 only. > >> 64 was motivated by the need for a 6-only *enterprise* > > > > And DNS64 requires NAT in the core and a fork lift upgrade of the > > CPE to support IPv6. > > no. let's try reading what i said again. i requires nat at the edge of > the V6-ONLY ENTERPRISE. considering the enterprise is v6-only and > trying to talk to a v4 world, address translation is inevitable. Yet we have ISPs trying to use / contemplating using DNS64. DS-Lite in the enterprise would require moving DL-Lite to the node and not all nodes. Just those that need to communicate with the outside world. For most of those boxes it's just a reuse of existing stack functionality. > randy -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@xxxxxxx