[ih] History of duplicate address tests

[Andrew G. Malis]

John,

Perhaps, but one would probably need to examine early TCP/IP stacks to
determine when it came into use,

Cheers,
Andy


On Tue, Nov 29, 2022 at 4:06 PM John Kristoff via Internet-history <
internet-history at elists.isoc.org> wrote:

> On Tue, 29 Nov 2022 15:43:08 -0500
> "Andrew G. Malis" <agmalis at gmail.com> wrote:
>
> > ARP (RFC 826) trivially enables duplicate IPv4 address detection on
> > Ethernet networks (just ARP for your own address and see if anyone
> > else responds), so I guess November 1982 for IP over Ethernet.
>
> I had thought of ARP, but wasn't it's use for duplicate address
> detection essentially a "hack" that came later?
>
> John
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