Date: Thu, 09 Dec 2004 16:34:52 +0100 From: Andre Oppermann <andre@freebsd.org> To: Ruslan Ermilov <ru@FreeBSD.org> Cc: src-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet in_gif.c Message-ID: <41B8709C.329DD195@freebsd.org> References: <200412061902.iB6J2hJ6000543@repoman.freebsd.org> <x7fz2i7la1.wl%suz@crl.hitachi.co.jp> <41B58367.EB32CF1@freebsd.org> <20041207150937.GD1336@ip.net.ua>
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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
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