Comment by throw0101a

17 days ago

>> You can have a stateless NAT: device x.x.x.y will get outbound source ports rewritten to (orignal port) << 8 + y.

> And that kind of NAT effectively doesn't exist in practice […]

Anyone using IPv6 ULA and NPT would disagree.

* https://en.wikipedia.org/wiki/IPv6-to-IPv6_Network_Prefix_Tr...

See my reply to your sibling commenter. My comment was not about NAT in general, i.e. I was not denying the very real existence of stateless NAT. Rather, I was disputing the usefulness of the NAPT solution proposed above as a solution to public IPv4 address exhaustion.

  • > proposed above as a solution to public IPv4 address exhaustion.

    It was not proposed as a solution (although, it would work). I'm pointing out that in networking many names are conflated/used generally against their specific definition. NAT/Firewall; Router/Access Point/Gateway; etc.