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Date: Thu, 09 Dec 2004 16:34:52 +0100
From: Andre Oppermann <andre@freebsd.org>
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To: Ruslan Ermilov <ru@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/netinet in_gif.c
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Ruslan Ermilov wrote:
> 
> On Tue, Dec 07, 2004 at 11:18:15AM +0100, Andre Oppermann wrote:
> > I hope to remove the ability to have pointers into the routing table
> > before 6.0 release.
> >
> This would make my WIP OBE, which is nice.  But how are you going to
> compensate for the performance loss of *not* having cached routes?

Up to a couple of hundred kpps it doesn't matter and the only place
where we have cached routes is in the various IP[46] tunnels.  The
caching makes locking of the routing table more complex and expensive.
Once that can be simplified there is a significant amount of lookup
cost going away.

-- 
Andre