Subject: Re: TCP socket buffers auto sizing
To: Manuel Bouyer <email@example.com>
From: Steven M. Bellovin <firstname.lastname@example.org>
Date: 02/05/2007 13:05:10
On Mon, 5 Feb 2007 17:59:37 +0100
Manuel Bouyer <email@example.com> wrote:
> On Mon, Feb 05, 2007 at 01:27:41PM +0000, Matthias Scheler wrote:
> > On Sun, Feb 04, 2007 at 05:16:59PM +0000, Rui Paulo wrote:
> > > Maybe we should too ?
> > Yes, please.
> > You don't even need a trans-atlantic 100ms RTT link. The default
> > socket buffer size doesn't work very well for a GbE LAN, too.
> Or for ADSL2 links ...
I was impressed with how much performance different I got with ttcp on
a GigE LAN just by changing the buffer size.
--Steve Bellovin, http://www.cs.columbia.edu/~smb