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Date:      Sat, 04 Aug 2001 22:23:39 +0200
From:      sthaug@nethelp.no
To:        ticso@mail.cicely.de
Cc:        oppermann@telehouse.ch, freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG
Subject:   Re: 303,000 routes in kernel
Message-ID:  <32301.996956619@verdi.nethelp.no>
In-Reply-To: Your message of "Sat, 4 Aug 2001 21:55:29 %2B0200"
References:  <20010804215529.C7176@cicely20.cicely.de>

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> > The router, a Foundry BigIron, is supposed to do gigabit routing at
> > wirespeed, even with small packets. But who knows... ;-)
> 
> Most big routers do softwarerouting and implement shortcuts in hardware.
> Unfortunately DNS packets have a compareable small short cut hit rate.

I'm not sure what you mean by shortcut here. However, as far as I know
most "big routers" do *not* use route caches, because it was found quite
a while ago that these don't scale.

There are plenty of "big routers" that can do line rate with minimum
sized packets.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no

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