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Date: Sun, 2 Feb 2003 12:48:38 +0100
From: bert hubert <ahu@ds9a.nl>
To: Ben Greear <greearb@candelatech.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: problems achieving decent throughput with latency.
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On Sat, Feb 01, 2003 at 11:38:02PM -0800, Ben Greear wrote:
> I am testing my latency-insertion tool, and I notice that tcp will not use
> all of the available bandwidth if there is any significant amount of latency
> on the wire.
> 
> For example, with 25ms latency in both directions, I see about 8Mbps
> bi-directional throughput.

Check if large windows are being used, if window scaling is enabled.

Regards,

bert


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