this post was submitted on 24 Jun 2024
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It also means you no longer need the kludge that is NAT. Full E2E connectivity is really nice -- though I've found some network admins dislike this idea because they're so used to thinking about it differently or (mistakenly) think it adds to their security.
NAT still has its place in obfuscating the internal network. Also, it's easier to think about firewall/routing when you segregate a network behind a router on its own subnet, IMO.
Obfuscation is not security, and not having IPv6 causes other issues. Including some security/privacy ones.
There is no problem having a border firewall in IPv6. NAT does not help that situation at all.
You don't need to give up IPV6 to have NAT though.
But why bother? "Let's make my network slower and more complicated so it works like a hack on the old thing".