[40685] in North American Network Operators' Group
Re: wanted: wireless magic tricks
daemon@ATHENA.MIT.EDU (E.B. Dreger)
Thu Aug 16 13:55:44 2001
Date: Thu, 16 Aug 2001 17:51:31 +0000 (GMT)
From: "E.B. Dreger" <eddy+public+spam@noc.everquick.net>
To: Christian Kuhtz <ck@arch.bellsouth.net>
Cc: "Young, Jason" <Jason.Young@anheuser-busch.com>,
"'Cerqua, Toby'" <toby@platinumsystems.net>,
"'nanog@merit.edu'" <nanog@merit.edu>
In-Reply-To: <20010816122355.G9426@ns1.arch.bellsouth.net>
Message-ID: <Pine.LNX.4.20.0108161748090.1289-100000@www.everquick.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu
> Date: Thu, 16 Aug 2001 12:23:55 -0400
> From: Christian Kuhtz <ck@arch.bellsouth.net>
[ snip ]
> Catch is, the bw x delay product will kill you on these links if
> you run TCP sessions and you won't get anywhere near line rate.
[ snip ]
Set TCP window size to about 1x to 2x bw*delay. The value will be
a bit large for a "normal" server (can you say "mbuf exhaustion"?),
but I ass-u-me that the OP's client needs a few fast streams, not
a few fast streams and tons of slow ones.
How many simultaneous TCP connections on what boxen?
Eddy
---------------------------------------------------------------------------
Brotsman & Dreger, Inc. - EverQuick Internet Division
Phone: +1 (316) 794-8922 Wichita/(Inter)national
Phone: +1 (785) 865-5885 Lawrence
---------------------------------------------------------------------------
