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To: Terry Lambert <terry@lambert.org>
cc: jpt@msc.edu (Joseph Thomas), danny@panda.hilink.com.au, shovey@buffnet.net,
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Subject: Re: RFC 1323 default settings (was Re: progress report on connection problems) 
In-reply-to: Your message of "Tue, 28 Jan 1997 17:16:05 MST."
             <199701290016.RAA09514@phaeton.artisoft.com> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 28 Jan 1997 18:53:34 -0800
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>> 	As a data point - running a local-area ATM with "out of the box"
>> parameters (for 2.2 this looks to be 16K windows with no-scaling), I get
>> 60 KB/s out of the box vs 3.0-3.5 MB/s into the box, [notice the really
>> bad discrepancy] via ftp. With larger windows (60KB), I can get in the
>> range of 3.5-4.0 MB/s [either 'put xxx /dev/null' or 'get xxx /dev/null'
>> so local disk access is somewhat unrelated. That is, the numbers don't
>> vary much if I'm sending from local disk or receiving to /dev/null.]
>> 
>> 	Using ttcp (tcp user application, memory to memory), I've transmitted
>> close to 70 Mb/s, in the "local-area". I'm not sure that getting twice
>> the throughput counts as being 'not long enough'.
>> 
>> [I'm simply providing this as a data point for the discussion, not attempting
>> or interested in arguing for or against either side.]
>
>Uh, isn't 70/3.5 20 times, not 2 times?

   He's mixing bits and bytes. Pay attention to the case of the "b".

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project