[16712] in North American Network Operators' Group
Re: Core router bakeoff?
daemon@ATHENA.MIT.EDU (Tony Li)
Sat May 9 02:40:03 1998
To: paul@vix.com (Paul Vixie)
cc: nanog@merit.edu
From: Tony Li <tli@juniper.net>
Date: 08 May 1998 23:24:18 -0700
In-Reply-To: paul@vix.com's message of 8 May 98 10:09:23 GMT
paul@vix.com (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
