From owner-freebsd-hackers Fri Apr 14 19:57:46 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id TAA23647 for hackers-outgoing; Fri, 14 Apr 1995 19:57:46 -0700 Received: from ref.tfs.com (ref.tfs.com [140.145.254.251]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id TAA23637 for ; Fri, 14 Apr 1995 19:57:44 -0700 Received: (from phk@localhost) by ref.tfs.com (8.6.8/8.6.6) id TAA19418; Fri, 14 Apr 1995 19:57:35 -0700 From: Poul-Henning Kamp Message-Id: <199504150257.TAA19418@ref.tfs.com> Subject: Re: Just how fast can we go... (was: Re: SCSI target) To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes) Date: Fri, 14 Apr 1995 19:57:31 -0700 (PDT) Cc: julian@TFS.COM, freebsd-hackers@FreeBSD.org In-Reply-To: <199504150243.TAA02395@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Apr 14, 95 07:43:37 pm Content-Type: text Content-Length: 816 Sender: hackers-owner@FreeBSD.org Precedence: bulk > [cc: trimmed to hackers, seems the best place, since we are talking > about both scsi and 100MB/sec ether :-)] > > > > > > > > > > > > Well, with 100MB/S ethernet support now being a reality TCP/IP over > > > SCSI only has an advantage for *wide* scsi controllers. > > weeeellll, no, there are advandages in being able to transfer > > 128KB of scatter-gather data in one hit with NO > > cpu intervention..... :) > > ... > > The 21040/21140 chips are bus master just like a scsi controller, and > can infact do some very large scatter-gather's in there own right. But you are still limited to the packet-size on the 100mb net... -- Poul-Henning Kamp -- TRW Financial Systems, Inc. 'All relevant people are pertinent' && 'All rude people are impertinent' => 'no rude people are relevant'