[70343] in North American Network Operators' Group
Re: WAN transfer rates
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Tue May 11 04:53:44 2004
To: jnelson@rackspace.com
Cc: nanog@nanog.org
From: sthaug@nethelp.no
In-Reply-To: Your message of "Tue, 11 May 2004 03:24:32 -0500"
Date: Tue, 11 May 2004 10:51:59 +0200
Errors-To: owner-nanog-outgoing@merit.edu
> I realize that transfer rates across the Internet diminish significantly
> with latency, but what's the good answer for someone shrunk down to
> <10Mbps when the smallest pipe between them is 100Mbps and latency is
> <40ms?
Without window scaling (RFC 1323) your max transfer rate at 40ms RTT is
65535*8/0.040 = 13.1 Mbps. So slightly less than 10 Mbps isn't too
unexpected.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
