From owner-freebsd-net Sat Aug 4 13:23:46 2001 Delivered-To: freebsd-net@freebsd.org Received: from verdi.nethelp.no (verdi.nethelp.no [158.36.41.162]) by hub.freebsd.org (Postfix) with SMTP id 3C54137B403 for ; Sat, 4 Aug 2001 13:23:41 -0700 (PDT) (envelope-from sthaug@nethelp.no) Received: (qmail 32303 invoked by uid 1001); 4 Aug 2001 20:23:39 +0000 (GMT) To: ticso@mail.cicely.de Cc: oppermann@telehouse.ch, freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: 303,000 routes in kernel From: sthaug@nethelp.no In-Reply-To: Your message of "Sat, 4 Aug 2001 21:55:29 +0200" References: <20010804215529.C7176@cicely20.cicely.de> X-Mailer: Mew version 1.05+ on Emacs 19.34.2 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Date: Sat, 04 Aug 2001 22:23:39 +0200 Message-ID: <32301.996956619@verdi.nethelp.no> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > > 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message