FreeBSD -> Windows HTTP TCP performance

CHOI Junho cjh at kr.FreeBSD.org
Sun Jan 18 22:28:58 PST 2004


After more investigation, I realized the problem is on the router
side. I think the problem is solved... Thanks.

From: Mike Silbersack <silby at silby.com>
Subject: Re: FreeBSD -> Windows HTTP TCP performance
Date: Sun, 18 Jan 2004 22:12:34 -0600 (CST)

> 
> On Thu, 15 Jan 2004, CHOI Junho wrote:
> 
> > For those who interested, I made packet dump file:
> >
> >   http://www.kr.freebsd.org/~cjh/misc/freebsd-net/
> >
> > Best thing is do tcpdump at client machine but I have no admin
> > permission, so failed.
> >
> > --
> > CHOI Junho <http://www.kr.FreeBSD.org/~cjh>     KFUG <cjh at kr.FreeBSD.org>
> 
> I can read these fine, Andre must be going through some web proxy that
> corrupts them. :)
> 
> All of the computers in the dumps are on a LAN, right?  There seems to be
> quite a bit of packet loss going on, from what I can see.  This is most
> certainly the cause of low throughput; we'd need tcpdumps from both ends
> to really determine if there's some suboptimal tcp interaction between w2k
> and freebsd.  (From a single side of the connection, we can't even be sure
> if retransmissions are getting through, etc.)
> 
> Mike "Silby" Silbersack

--
CHOI Junho <http://www.kr.FreeBSD.org/~cjh>     KFUG <cjh at kr.FreeBSD.org>
FreeBSD Project <cjh at FreeBSD.org>        Web Data Bank <cjh at wdb.co.kr>
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