Yes, but having two entirely separate internets, like we do today, is much more complex than any amount of NATting! I fault the IPv6 proponents for not forseei

Yes, but having two entirely separate internets, like we do today, is much more complex than any amount of NATting! I fault the IPv6 proponents for not forseeing our current situation. DJB saw it with crystal clarity in 2001. Lots of people warned them that this would happen.