Subject: Re: [net-next PATCH v4 1/3] net: TCP thin-stream detection

From: Andreas Petlund <[email-masked]>
Date: Mon, 22 Feb 2010 16:40:22 +0100

On 22. feb. 2010 16:17, Andi Kleen wrote:
> Lars Eggert <[email-masked]> writes:
> 
>> If it's off by default there is no issue.
> 
> Still a sufficient large number of people might turn it on
> and then the network would melt.
> 
> IMHO TCP changes with badly understood congestion behaviour
> should not be merged until the necessary analysis/simulation etc.
> is done.
> 
> -Andi

Graphs from our experiments can be found here:
http://simula.no/research/nd/publications/Simula.nd.477/simula_pdf_file

Section 5.2.5 covers experiments on fairness-issues. We have found no
adverse effects of the modifications submitted in this patch set (mFR
and LT in the plot), but further testing cannot hurt.

Best regards,
Andreas