Date: Fri, 13 Apr 2001 07:49:18 -0700 From: Julian Elischer <julian@elischer.org> To: Toni SOUEID <djt2000@inco.com.lb> Cc: freebsd-bugs@freebsd.org, freebsd-net@freebsd.org Subject: Re: Problem in TCP initialisation of cwnd Message-ID: <3AD711EE.EEADD293@elischer.org> References: <000901c0c422$bd356860$941f7ec2@hamster>
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Toni SOUEID wrote:
>
> Hello,
> My name is Toni Soueid and I'm currently working on a project
> in which I have to analyse the behavior of FreeBSD TCP.
>
> I'm running FreeBSD 4.2-STABLE (which I got from a Magazine CD),
> and I'm analysing the TCP with various tools.
>
> One thing that shocked me is that a TCP connection in FreeBSD (at least on
> my machines)
> doesn't begin with a slow start but rather sends a huge amount of packets to
> the other end
> (this huge amount only seems to be limited either by the receiver window or
> by the local machine's
> send buffer). It seems that cwnd isn't initialised.
It is my understanding that it does this only if the destination is considered
'local'
(i.e in the same subnet.)
--
__--_|\ Julian Elischer
/ \ julian@elischer.org
( OZ ) World tour 2000-2001
---> X_.---._/
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