From: Stephen Hemminger <shemminger@osdl.org>
To: Hubert Tonneau <hubert.tonneau@fullpliant.org>
Cc: cliff white <cliffw@osdl.org>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
netdev@oss.sgi.com, Injong Rhee <rhee@eos.ncsu.edu>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [RFT] BIC TCP delayed ack compensation
Date: Tue, 22 Feb 2005 16:58:02 -0800 [thread overview]
Message-ID: <20050222165802.0dc2d333@dxpl.pdx.osdl.net> (raw)
In-Reply-To: <052Q0TU11@server5.heliogroup.fr>
On Tue, 22 Feb 2005 22:22:42 GMT
Hubert Tonneau <hubert.tonneau@fullpliant.org> wrote:
> Stephen Hemminger wrote:
> >
> > This patch which was extracted from BIC TCP 1.1 compensates
> > for systems (like MaxOSX) that don't ACK every other packet.
> > It has no impact for normal transfers, but might help with problems
> > with Mac like Hubert found.
>
> No, it's even worse.
>
> 2.6.9 to 100 Mbps connected MacOSX: 15 seconds (for roughly 100 MB or data)
> 2.6.9 to gigabit connected MacOSX: 5 seconds
> 2.6.10-ac11 to 100 Mbps connected MacOSX: 325 seconds
> 2.6.10-ac11 to gigabit connected MacOSX: 5 seconds
> 2.6.10-ac11+BIC to 100 Mbps connected MacOSX: 620 seconds
> 2.6.10-ac11+BIC to gigabit connected MacOSX: 5 seconds
Thanks, that is really interesting...
next prev parent reply other threads:[~2005-02-23 0:58 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-22 22:22 [RFT] BIC TCP delayed ack compensation Hubert Tonneau
2005-02-23 0:58 ` Stephen Hemminger [this message]
2005-02-23 18:32 ` Injong Rhee
2005-02-23 19:36 ` Stephen Hemminger
2005-02-23 18:37 ` Injong Rhee
2005-02-23 19:26 ` David S. Miller
2005-02-23 22:04 ` John Heffner
2005-02-23 22:10 ` David S. Miller
2005-02-23 22:19 ` John Heffner
-- strict thread matches above, loose matches on Subject: below --
2005-02-23 21:54 Hubert Tonneau
[not found] <050QTJA12@server5.heliogroup.fr>
2005-02-09 18:59 ` 2.6.10 TCP troubles -- suggested patch Stephen Hemminger
2005-02-22 21:50 ` [RFT] BIC TCP delayed ack compensation Stephen Hemminger
2005-02-22 23:30 ` John Heffner
2005-02-22 23:38 ` Baruch Even
2005-02-23 1:04 ` Yee-Ting Li
2005-02-23 15:28 ` Yee-Ting Li
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