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I know it's not viable, but yet I've always felt IPv6 would have been a nice opportunity to extinguish port numbers. Just give each service its own IP from the /64 the host was allocated.

Then you could have one DNS entry per service. That would have been perfect for residential IPv6 with dynamic prefixes, which require dynamic DNS anyway.



I've done it on some personal projects recently, what makes it non-viable?


I meant actually getting rid of ports, so the recipient wouldn't need to bother.

But I guess one could always just bake it into the DNS record, so perhaps not a big issue in practice.


Ah I get what you mean now. For the most part I just don't care about similar things running on the same port, because I've got many thousands of addresses I could just choose to listen to. I can have tons of different things listening on :80 or :443 or whatever on IPv6.




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