Date: Thu, 3 Jul 2008 12:46:01 +0200 (CEST) From: Ingo Flaschberger <if@xip.at> To: Stefan Lambrev <stefan.lambrev@moneybookers.com> Cc: FreeBSD Net <freebsd-net@freebsd.org>, Paul <paul@gtcomm.net> Subject: Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp] Message-ID: <alpine.LFD.1.10.0807031239180.9569@filebunker.xip.at> In-Reply-To: <486B7C69.1010304@moneybookers.com> References: <4867420D.7090406@gtcomm.net> <200806301944.m5UJifJD081781@lava.sentex.ca> <20080701004346.GA3898@stlux503.dsto.defence.gov.au> <alpine.LFD.1.10.0807010257570.19444@filebunker.xip.at> <20080701010716.GF3898@stlux503.dsto.defence.gov.au> <alpine.LFD.1.10.0807010308320.19444@filebunker.xip.at> <486986D9.3000607@monkeybrains.net> <48699960.9070100@gtcomm.net> <ea7b9c170806302005n2a66f592h2127f87a0ba2c6d2@mail.gmail.com> <20080701033117.GH83626@cdnetworks.co.kr> <ea7b9c170806302050p2a3a5480t29923a4ac2d7c852@mail.gmail.com> <4869ACFC.5020205@gtcomm.net> <4869B025.9080006@gtcomm.net> <486A7E45.3030902@gtcomm.net> <486A8F24.5010000@gtcomm.net> <486A9A0E.6060308@elischer.org> <486B41D5.3060609@gtcomm.net> <alpine.LFD.1.10.0807021052041.557@filebunker.xip.at> <486B4F11.6040906@gtcomm.net> <alpine.LFD.1.10.0807021155280.557@filebunker.xip.at> <486B7C69.1010304@moneybookers.com>
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Dear Stefan, >>> So my maximum without polling is close to 800kpps but if I push that it >>> starts locking me from doing things, or >> >> how many kpps do you want to achieve? > Do not know for Paul but, I want to be able to route (and/or bridge to > handle) 600-700mbps syn flood, > which is something like 1500kpps in every direction. Is it unrealistic? yes, I think so. look at this project: http://yuba.stanford.edu/NetFPGA/ This card(s) could do that. Maximum count of routes seems to be limited, but with lpf it should work. A freebsd-kernel interface is missing. > If the code is optimized to fully utilize MP I do not see a reason why quad > core processor should not be able to do this. > After all single core seems to handle 500kpps, if we utilize four, eight or > even more cores we should be able to route 1500kpps + ? Theres a "sun" used at quagga dev as bgp-route-server. http://quagga.net/route-server.php (but they don't answered my question regarding fw-performance). > I hope TOE once MFCed to 7-STABLE will help too? I don't think toe will help. Kind regards, Ingo Flaschberger
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