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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


  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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