Re: IPv4 flag day

On 2026-06-16 01:33, Saku Ytti via NANOG wrote:
> Does anyone feel responsibility for the dual stack mess we've created?
> It wasn't here when we found the Internet, and we're going to leave it
> here after we leave, does not really jive with the whole leave
> campground cleaner than found it ethos.

It was the most comprehensive solution for the NAT problem. But NAT 
became the accepted way we connect to the Internet.

World + dog knows how to connect to it, troubleshoot it, look at NAT 
tables on their edge firewall or router.

Is NAT still such a severe problem that we needed a different protocol? 
Ask 1000 NANOG engineers, get 1000 different answers. In practice, no. 
IPv4 still works.

Economics are a slightly different story, but so far, IPv4 space isn't 
prohibitively expensive.

-Brian
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