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[ih] Ethernet, was Why TCP?
- Subject: [ih] Ethernet, was Why TCP?
- From: paul at redbarn.org (Paul Vixie)
- Date: Thu, 01 Sep 2016 09:02:20 -0700
- In-reply-to: <[email protected]>
- References: <[email protected]>
Noel Chiappa wrote:
> > From: "John Levine"
>
> > As we all know, Ethernets worked just fine. A lot of people didn't
> > believe it until they saw it
>
> In defense of the Ethernet sceptics, most Ethernets were operated at traffic
> levels where the collisions which theory predicted at high traffic levels
> weren't a problem.
the theories that predicted congestion collapse were just wrong. see below.
> Liba Svobodova (at MIT at that point) did a bunch of analyses (this would be
> ca. '78 or so) which showed that at low traffic levels, it would be fine, and
> that only at high traffic levels would there be issues. Her analyses, AFAIK,
> were right on target.
see also:
http://www.hpl.hp.com/techreports/Compaq-DEC/WRL-88-4.pdf
--
P Vixie