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Date:      Wed, 6 Mar 1996 15:37:17 +1030 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        gpalmer@freebsd.org (Gary Palmer)
Cc:        jeff@tad.cetlink.net, questions@freebsd.org
Subject:   Re: TCP Tuning?
Message-ID:  <199603060507.PAA23151@genesis.atrad.adelaide.edu.au>
In-Reply-To: <4629.826073144@palmer.demon.co.uk> from "Gary Palmer" at Mar 6, 96 00:45:44 am

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Gary Palmer stands accused of saying:
> 
> Jeff Wheat wrote in message ID
> <199603052234.RAA01470@tad.cetlink.net>:
> > 	Is there a FAQ regarding TCP/IP tuning? I am running a news and
> > a web server on a p100 w/32 megs RAM. I have an ne2000 in the box now and
> > the performance seems to drop lower and lower as traffic increases. Is there
> > a good example of tuning for such a server?
> 
> Get a better ethernet card... the ne2k's have a poor performance in
> general because they don't have any on-card RAM to store packets. Get
> either a SMC card or one of the DEC DC21040 based cards.

Good advice, wrong justification 8)

NE2000's have onboard memory, but require programmed I/O to read it.
The DEC cards have no onboard memory (other than a FIFO), they busmaster
directly to main memory.

> Gary

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
]] High-speed data acquisition and      (GSM mobile) 0411-222-496       [[
]] realtime instrument control          (ph/fax)  +61-8-267-3039        [[
]] Collector of old Unix hardware.      "Where are your PEZ?" The Tick  [[



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