Date: Wed, 12 Nov 2003 08:45:09 +0200 From: Petri Helenius <pete@he.iki.fi> To: popsong old <oldpopsong@yahoo.com> Cc: freebsd-net@freebsd.org Subject: Re: tcp hostcache and ip fastforward for review Message-ID: <3FB1D6F5.8020403@he.iki.fi> In-Reply-To: <20031112024507.89398.qmail@web10007.mail.yahoo.com> References: <20031112024507.89398.qmail@web10007.mail.yahoo.com>
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popsong old wrote: >Ah, my fault. I didn't read your patch carefully and assumed that ip >fastforward do flow caching as ip_flow does. However, I think ip flow >caching is a good thing and maybe implementing it in ip fastforward is >a good idea. > > > Caching flows has mixed results, it works for you if you have to keep flow-based state like in firewalling situations but usually takes performance in generic packet forwarding because of the great number of flows per host in current public Internet. Pete
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