From: Gavin McCullagh <Gavin.McCullagh@nuim.ie>
To: netdev@vger.kernel.org
Subject: Re: [PATCH/RFC] [v2] TCP: use non-delayed ACK for congestion control RTT
Date: Wed, 19 Dec 2007 10:28:35 +0000 [thread overview]
Message-ID: <20071219102835.GE31508@nuim.ie> (raw)
In-Reply-To: <20071218204022.GA8936@nuim.ie>
Hi,
On Tue, 18 Dec 2007, Gavin McCullagh wrote:
> The last attempt didn't take account of the situation where a timestamp
> wasn't available and tcp_clean_rtx_queue() has to feed both the RTO and the
> congestion avoidance. This updated patch stores both RTTs, making the
> delayed one available for the RTO and the other (ca_seq_rtt) available for
> congestion control.
I forgot to include some data to show the difference this can make to the
RTT signal:
http://www.hamilton.ie/gavinmc/linux/tcp_clean_rtx_queue.html
Gavin
next prev parent reply other threads:[~2007-12-19 10:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-17 13:44 [PATCH/RFC] TCP: use non-delayed ACK for congestion control RTT Gavin McCullagh
2007-12-18 20:40 ` [PATCH/RFC] [v2] " Gavin McCullagh
2007-12-19 10:28 ` Gavin McCullagh [this message]
2007-12-19 11:08 ` Ilpo Järvinen
2007-12-19 11:31 ` Gavin McCullagh
2007-12-19 13:30 ` Ilpo Järvinen
2007-12-21 11:14 ` David Miller
2007-12-21 13:31 ` Gavin McCullagh
2007-12-21 14:05 ` David Miller
2007-12-21 14:07 ` Ilpo Järvinen
2007-12-21 14:10 ` Ilpo Järvinen
2007-12-30 1:15 ` [PATCH/RFC] [v3] " Gavin McCullagh
2007-12-30 1:25 ` Gavin McCullagh
2007-12-30 3:09 ` David Miller
2007-12-30 12:20 ` Gavin McCullagh
2007-12-30 3:06 ` David Miller
2007-12-30 9:43 ` Ilpo Järvinen
2007-12-30 12:35 ` Gavin McCullagh
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