Re: Core router bakeoff?

From: Tony Li (no email)
Date: Sat May 09 1998 - 02:24:18 EDT


 (Paul Vixie) writes:

> > > BTW, NetBSD with the recent flow cache mods can handle at least
> > > 150,000 packets per second. We haven't seen what the actual upper
> > > limit is, but that number doesn't seem to be eating a lot of CPU.
> >
> > Interesting. Have you done any scalability testing? Per-flow state has
> > been shown to scale poorly in Internet backbones.
>
> That was with one flow. The idea of "there basically aren't flows" is not
> obvious on first approach to these problems, wouldn't you say, Tony :-)?

Not obvious to some, but we sat and watched a significant router vendor
make that mistake (despite good advice to the contrary) anyhow. I'd hate
to see someone else repeat that mistake.

Tony








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