Why do we still need IPv4 when we are migrating to IPv6...

Mikael Abrahamsson swmike at swm.pp.se
Thu Feb 12 12:02:34 CET 2015

On Thu, 12 Feb 2015, Ole Troan wrote:

> But that's "better value" by making IPv4 work less good. and I'll 
> postulate that we can make A+P / shared IPv4 work good enough that 
> end-users who are trained to live behind a NATs will not notice.

Problem with that is that this doesn't work with anything that doesn't 
have +P, so for instance my corporate VPN doesn't work because for some 
reason it uses GRE.

I think we're going to have to do some kind of A+P for protocols with 
port, and then do CGN (ds.lite) for everything else.

Mikael Abrahamsson    email: swmike at swm.pp.se

More information about the ipv6-ops mailing list