Brian Johnson <brian.john...@netgeek.us> writes: >> 1) It needs *much less* IPv4 addresses (in the NAT64) for the same number of >> customers. > > I cannot see how this is even possible. If I use private space > internally to the CGN, then the available external space is the same > and the internal customers are the same and I can do the same over sub > ratio under both circumstance. Tell me how the math is different.
Because NAT64 implies DNS64, which avoids NATing any dual stack service. This makes a major difference today. Bjørn
