Re: Slow performance on Novell DOS TCP/IP but great with Linux.. Help!

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#310

From: Vernon Schryver
Date: Fri, 30 Jun 1995 00:00

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In article <Pine.HPP.3.91.950629110004.11699A-100000@corpse.ecst.csuchico.edu> "David A. Ranch" <dranch@ecst.csuchico.edu> writes:
>
>I've been tring to track this performance problem down now for sometime 
>without any luck.  I have been getting the following:
>
>~745KB/S FTP transfers on an SGI box to a Linux server 
>
>~210KB/S FTP transfers on a Pentium/75 w/ 3Com509b card running Novell's 
>             Lan WorkPlace TCP/IP stack to the same Linux server
>
>~750KB/S FTP transfers on the same Pentium hardware but running Linux 
>             (slack:2.3 Kern: 1.2.10) to the same Linux server
>
>Some people have told me that the reason for this is DOS's default TCP 
>Window size of 2048 where Unix's is 8192.  I've tried to find where I can 
>adjust this without avail.  Could somebody set me strait on this?
> ...

The default TCP window for IRIX, the likely UNIX varient used on Silicon
Graphics boxes, has bee 61440 for several years.  Other vendors use
other values, usually smaller.  (A default window of 60K has advantages
as well as disadvantages compared to smaller values.)


Vernon Schryver    vjs@rhyolite.com

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From: vjs@calcite.rhyolite.com (Vernon Schryver)
Subject: Re: Slow performance on Novell DOS TCP/IP but great with Linux.. Help!
Date: 1995/06/30
Message-ID: <DAyMBo.1wI@calcite.rhyolite.com>
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references: <Pine.HPP.3.91.950629110004.11699A-100000@corpse.ecst.csuchico.edu>
organization: Rhyolite Software
newsgroups: comp.os.netware.connectivity,chico.ect.help,comp.protocols.tcp-ip,comp.protocols.tcp-ip.ibmpc

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