From: Werner Almesberger <wa@almesberger.net>
To: kuznet@ms2.inr.ac.ru
Cc: netdev@oss.sgi.com, chengjin@cs.caltech.edu
Subject: Re: snd_cwnd drawn and quartered
Date: Wed, 15 Jan 2003 16:37:11 -0300 [thread overview]
Message-ID: <20030115163711.C1521@almesberger.net> (raw)
In-Reply-To: <200301151843.VAA16069@sex.inr.ac.ru>; from kuznet@ms2.inr.ac.ru on Wed, Jan 15, 2003 at 09:43:29PM +0300
kuznet@ms2.inr.ac.ru wrote:
> We receive some amount of dupacks for segments >high_seq, before ACK
> for retransmitted 99th segment arrives and terminates recovery. You meaned
> this, right? :-)
Yes, that's it.
> Yup, this is bug. OK, this case is sorted out. I think that small fix
> proposed by you is enough for beginning.
I think, in addition to this fix, you also need to do RTO upon loss
of retransmission. Otherwise, my fix would make you halve cwnd only
once in this case.
- Werner
--
_________________________________________________________________________
/ Werner Almesberger, Buenos Aires, Argentina wa@almesberger.net /
/_http://www.almesberger.net/____________________________________________/
next prev parent reply other threads:[~2003-01-15 19:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-25 1:50 snd_cwnd drawn and quartered Werner Almesberger
2003-01-02 1:38 ` kuznet
2003-01-02 6:08 ` Werner Almesberger
2003-01-02 8:31 ` Werner Almesberger
2003-01-02 21:26 ` Werner Almesberger
2003-01-14 0:12 ` kuznet
2003-01-14 1:20 ` Cheng Jin
2003-01-14 1:46 ` kuznet
2003-01-14 1:58 ` Cheng Jin
2003-01-14 2:12 ` kuznet
2003-01-14 2:19 ` Cheng Jin
2003-01-14 5:07 ` kuznet
2003-01-14 4:01 ` Werner Almesberger
[not found] ` <200301140502.IAA10733@sex.inr.ac.ru>
2003-01-14 5:25 ` Werner Almesberger
2003-01-14 6:14 ` kuznet
2003-01-14 6:36 ` Werner Almesberger
2003-01-15 17:50 ` kuznet
2003-01-15 18:25 ` Werner Almesberger
2003-01-15 18:43 ` kuznet
2003-01-15 19:37 ` Werner Almesberger [this message]
2003-01-19 6:55 ` example showing how cwnd gets to one Cheng Jin
2003-01-14 0:54 ` snd_cwnd drawn and quartered kuznet
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