From: "Gary Britt" 

I have same experience on 98SE and Win2K

Cheers,

Gary

"Geo."  wrote in message news:3ff4aad4{at}w3.nls.net...
> I changed the RWIN setting on my computer and it made a pretty noticable
> difference in the download speeds I was getting, but that was with Win2K
not
> XP or ME.
>
> Geo.
>
> "Typical M$ User"  wrote in message
> news:3ff3c58e$1{at}w3.nls.net...
> > X-No-Archive: yes
> >
> > You know how sites like SpeedGuide.net and DSLReports.com talk about
> > optimizing TCP/IP for broadband connections and offer
"tweaks" to boost
> the
> > performance of the connection? Well, one of the settings is the Default
> > Receive Window. These sites claim that not only does increasing this
> setting
> > from what it is set at shipped from One Micro$oft Way affect
performance,
> > but that it improves performance "greatly". They claim it is the
> single-most
> > important setting for improved broadband performance.
> >
> > Well, yesterday, me and another user of Al Gore's Internet were running
> some
> > real-world tests to see if changing the size of the RWIN value in the
> > registry would have any significant effect on performance. We both hit a
> > very busy server in LA, Caliporneia. He was using XP from N. Carolina,
and
> I
> > was using WinME. Nothing. All the differences can be explained by
dynamic
> > congestion differences at the time of testing.
> >
> > Also, Windows NT 4.0 doesn't implement RFC 1323 options which enable
large
> > default receive windows and window scaling. With SpeedGuide.net's
"TCP/IP
> > Analyzer" reporting that NT4's 64K receive window limit doesn't allow
more
> > than about a 320 KB/sec data transfer rate, they actually indirectly
claim
> > that Windows ME can outperform NT4. Would anyone be willing to test that
> > supposed limit with RWIN=64240 on their high-speed LAN by timing a
> transfer
> > of a huge mp3 file or something? The other Algore beneficiary says that
> 320
> > KB/sec is NOT the limit on even an 11 mbps wireless LAN.
> >
> > Questions.
> >
> > -Why was RFC 1323 created?
> > -Why did Micro$oft and Cisco implement RFC 1323 if not for better
> > performance? (M$ in WinME and above)
> > -Do most ISP's have a default RWIN limit of 64K?
> > -Is there a network in the real world that benefits from RFC 1323
> > implementation?
> > -Why do popular sites like SpeedGuide and DSLReports continue to get
away
> > with spreading hype?
> >
> > Happy Happy Joy Joy in the New Year!
> >
> >
> >
>
>

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