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A comment on Before the DNS: how yours truly upstaged the NIC's official HOSTS.TXT (2004). Parent comment

Re:Before the DNS: how yours truly upstaged the NIC's offici... by creeble on Friday February 07, 2020 @11:32AM (#22267634)
Rsync doesn't replace DNS. It is a file copying mechanism, not an addressing system.

When an IP address changes, no amount of rsync will fix it. The IP address is simply out of band.

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Re:Before the DNS: how yours truly upstaged the NIC's offici... by geocar on Saturday February 08, 2020 @01:47AM (#22274375)
If someone can change your IP addresses on you, I have news for you: you’re not on the Internet but on someone else’s network who is on the Internet. I got my addresses from ARIN so my host numbers only ever changed when I thought it was convenient.

But whatever. You’re still wrong: Rsync is instant. DNS requires waiting for caches or an admin task to bounce the nameservers.

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