Re: IPv4 flag day

[Saku Ytti via NANOG <nanog () lists nanog org>]

On Fri, 19 Jun 2026 at 09:36, Arie Vayner <ariev () vayner net> wrote:

> So my take on "If you want to do NAPT with your IPv6, go right ahead", in the current state, is that it's not 
> practical, and has become a real blocker for IPv6 ubiquity.

Disagree, exists in real commercial and open source implementations
today and has for decades. I agree that the IPv6 kook messaging is
hurting, making it seem like you shouldn't be doing NAT. But these are
non-technical problems, and won't stop anyone using IPv6 NAPT in their
edge.

> To move IPv6 to the next level of SMB/enterprise adoption we need to make it easier to consume by the average SMB - 
> which means stop saying "NAT is evil" or "NAT is not supported in IPv6", and unblock relevant IETF work.

Agree. Messaging needs work. Messaging needs to be 'you can do things
exactly as you are doing today, you'll just have more addresses you
can opt to use or not use'. This is perhaps the most difficult part
here, to stop reaching for stars, because we can't even define what
the stars are, different people want a different future for IP.
Decouple these desires, deliver more IP now, and continue other
pursuits in other avenues without asking for them to be lockstep.

-- 
  ++ytti
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