>> The point here is that at some point, even with translation, we run out of >> IPv4 addresses to use for this purpose. What then? > > You deliver the Internet over IPv6. A really large functional Internet > exists today if you only have IPv6. It is only getting bigger. Lots of (the > majority?) of CDNs deliver content over IPv6. Lots of companies outsource > their SMTP to dual stacked service providers so that email still gets through. > After 20 years there is no excuse for ISPs failing to deliver IPv6. If you > have to you, outsource your NAT64, DS-Lite transition service to someone that > has IPv4. I’m surprised that it isn’t common today.
And now we have come full circle to the attitude that leads to Matt’s initial point: >>>> As a community, we have failed, because we never acknowledged and >>>> addressed the need for backward compatibility between IPv6 and IPv4, and >>>> instead counted on magic handwaving about tipping points and transition >>>> dates where suddenly there would be "enough" IPv6-connected resources that >>>> new networks wouldn't *need* IPv4 address space any more. >>>> Owen