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Date:      Tue, 26 Jun 2001 17:28:59 +0200
From:      Christoph Sold <so@server.i-clue.de>
To:        Peter Kok <stellayu@ca.inter.net>
Cc:        "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: TCP windows size
Message-ID:  <3B38AA3B.FC131E95@i-clue.de>
References:  <3B3890BC.269039AF@ca.inter.net>

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Peter Kok schrieb:
> 
> Hi all
> 
> What is the advantage or disadvantage of increase the TCP window size?

The TCP window size is adjusted dynamically during the transmission for
line quality and speed. Changing its parameters will only affect initial
data transfer.

> Does it increase the speed only?

It does neither increase nor decrease speed, it just changes the way how
TCP handshake is handled.
 
> and how does increate the TCP window size on freebsd?

You don't. Changing the TCP window size will happen automatically.

HTH
-Christoph Sold

P.S: To learn more about TCP/IP, read the bible: W. Richard Stevens:
TCP/IP Illustrated Vol 1: The Protocols

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