From: Lucas Nussbaum <lucas.nussbaum@loria.fr>
To: Sangtae Ha <sangtae.ha@gmail.com>
Cc: Stephen Hemminger <stephen.hemminger@vyatta.com>,
David Miller <davem@davemloft.net>, Injong Rhee <rhee@ncsu.edu>,
Bill Fink <billfink@mindspring.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH 3/3] tcp_cubic: fix low utilization of CUBIC with HyStart
Date: Mon, 14 Mar 2011 07:28:24 +0100 [thread overview]
Message-ID: <20110314062824.GA22755@xanadu.blop.info> (raw)
In-Reply-To: <AANLkTi=bO+7d7W0O-m4=62xcM5P2qao9pzOyPJ1-jtox@mail.gmail.com>
On 13/03/11 at 19:07 -0500, Sangtae Ha wrote:
> Hi Lucas,
>
> Thank you for reporting this problem and the results below show what
> happened with low resolution clocks.
> The detailed testing setup and results at
> http://netsrv.csc.ncsu.edu/wiki/index.php/HyStart_testing_between_Princeton_and_NCSU
> I will add the results in long rtt paths soon.
Thanks. What do you use to generate those graphs?
The graphs from HyStart(fixed) are a bit strange. Did HyStart really
detect something? It seems that it exited slow start due to losses, not
due to detection, since cwnd is decreased.
--
| Lucas Nussbaum MCF Université Nancy 2 |
| lucas.nussbaum@loria.fr LORIA / AlGorille |
| http://www.loria.fr/~lnussbau/ +33 3 54 95 86 19 |
next prev parent reply other threads:[~2011-03-14 6:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-14 0:04 [PATCH 3/3] tcp_cubic: fix low utilization of CUBIC with HyStart Sangtae Ha
2011-03-14 0:07 ` Sangtae Ha
2011-03-14 6:28 ` Lucas Nussbaum [this message]
2011-03-14 7:36 ` Sangtae Ha
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