From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lucas Nussbaum <lucas.nussbaum@loria.fr>
Subject: Re: [PATCH] Make CUBIC Hystart more robust to RTT variations
Date: Tue, 8 Mar 2011 19:14:28 +0100
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Cc: WANG Cong <xiyou.wangcong@gmail.com>, Injong Rhee <rhee@ncsu.edu>,
	Netdev <netdev@vger.kernel.org>
To: Sangtae Ha <sangtae.ha@gmail.com>
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On 08/03/11 at 11:43 -0500, Sangtae Ha wrote:
> Hi Lucas,
>=20
> The current packet-train threshold and the delay threshold have been =
tested
> with the bandwidth ranging from 10M to 400M, the RTT from 10ms to 320=
ms, and
> the buffer size from 10% BDP to 200% BDP and they were set conservati=
vely to
> make it work over the network with very small buffer sizes. I will re=
create
> your setup and check whether the current thresholds are too conservat=
ive and
> will come up with the patch.

I'm surprised. It's possible that a seemingly unrelated change broke it=
,
but it was already broken for me on 2.6.32.
I can provide access to the testbed if you want to run tests on it.
--=20
| Lucas Nussbaum             MCF Universit=E9 Nancy 2 |
| lucas.nussbaum@loria.fr         LORIA / AlGorille |
| http://www.loria.fr/~lnussbau/  +33 3 54 95 86 19 |