From owner-freebsd-hackers Fri Oct 22 13:43:56 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from abalaea.ircache.net (abalaea.scd.ucar.edu [128.117.28.9]) by hub.freebsd.org (Postfix) with ESMTP id 8787414ECE for ; Fri, 22 Oct 1999 13:43:53 -0700 (PDT) (envelope-from glenn@abalaea.ircache.net) Received: from localhost (glenn@localhost) by abalaea.ircache.net (8.9.2/8.9.1) with ESMTP id OAA90646; Fri, 22 Oct 1999 14:43:16 -0600 (MDT) (envelope-from glenn@abalaea.ircache.net) Date: Fri, 22 Oct 1999 14:43:16 -0600 (MDT) From: Glenn Chisholm To: Luigi Rizzo Cc: "Ronald G. Minnich" , hackers@FreeBSD.ORG Subject: Re: profile of tcp In-Reply-To: <199910221831.TAA02285@labinfo.iet.unipi.it> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Also there is the usual lack of flexibility in having things done > in hw/microcode vs. software. > > And finally, i think having the proto in the NIC may be useful for maybe > a router or a box doing traffic switching, but for things like a > web server or a cache you also have to look at optimizing the > datapath between disk and the NIC. > There is however some validity in implimenting particular aspects on the NIC. Specifically the TCP checksum off loading that a number of gigabit NIC's have in silicon. glenn To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message