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Date:      Sat, 1 Nov 1997 20:33:28 +0200 (EET)
From:      Petri Helenius <pete@sms.fi>
To:        "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net>
Cc:        Mike Tancsa <mike@sentex.net>, dg@root.com, hardware@FreeBSD.ORG
Subject:   Re: fxp0 and full duplex 
Message-ID:  <199711011833.UAA00692@silver.sms.fi>
In-Reply-To: <199711010835.AAA08688@MindBender.serv.net>
References:  <199711010803.KAA14082@silver.sms.fi> <199711010835.AAA08688@MindBender.serv.net>

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Michael L. VanLoon -- HeadCandy.com writes:
 > 
 > >With OS's with good IP stacks, like FreeBSD and some of the other
 > >unixen, you usually hit the second packet in a window coming in with
 > >first reply packet. That accounts for about 1% collisions even with
 > >fairly low speeds. Downgrading to any M$ OS would "fix" the problem.
 > 
 > Do you know, for a fact, that MS IP stacks (from Win95 thru NT Server)
 > are significantly less efficient than the BSD variety?  Or are you
 > just slamming MS for the hell of it?
 > 
While FreeBSD with P166 can easily fill a 100Mbps pipe, same hardware
running NT or 95 comes up to around 30-45Mbps. There are multiple
independent studies available on the web to confirm this story, with
FreeBSD, Solaris x86, etc...

Pete



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