On Jun 06, 2023, Jim Jackson wrote:
> On Tue, 6 Jun 2023, Didier Kryn wrote:
> > Le 06/06/2023 à 04:02, Dan Purgert via Dng a écrit :
> > > [... a bunch of stuff describing general breakouts for 1k hosts
> > > as an aside discussion to the OP's question ...]
> >     Didn't you forget that all these sensors don't speak to each other,
> > but they instead only speak with one single host. Given that, I'm not
> > sure breaking down the traffic into many local loops would bring much
> > improvement.
>
> From the OP's description of his proposed setup, I agree.
>
> Interestingly IPv6 over ethernet was designed to make it easier for
> one lan to have most hosts - it uses multicast instead of broadcast so
> it does depend on switches being able handle multicast reasonably
> inelligently. In this case I suppose it could be possible to run the
> setup using IPv6 link local addresses :-)


You still end up getting inundated with ARP and other types of cruft. I
haven't read anything that really indicates that v6 is any better at
handling >1k hosts in a single broadcast domain than v4 is; but then
again I also haven't kept as closely up-to-date with it as I did up til
about 2018 or so.

(references / new reading material would be appreciated ^_^ )

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