IIRC, appletalk used service names, not ports. | Hacker News

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		jimktrains2 on Feb 14, 2017 \| parent \| context \| favorite \| on: 65535 interfaces ought to be enough for anybody IIRC, appletalk used service names, not ports.

twic on Feb 14, 2017 [–]

Which is why when Apple moved to TCP/IP, multicast DNS (Bonjour, zeroconf) was such a crucial part, because it let them implement a similar model on top of port numbers.

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