[113933] in North American Network Operators' Group
Re: Important New Requirement for IPv4 Requests
daemon@ATHENA.MIT.EDU (Jo Rhett)
Fri Apr 24 02:22:51 2009
From: Jo Rhett <jrhett@netconsonance.com>
To: bmanning@vacation.karoshi.com
In-Reply-To: <20090422015026.GA11683@vacation.karoshi.com.>
Date: Thu, 23 Apr 2009 23:21:16 -0700
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Apr 21, 2009, at 6:50 PM, bmanning@vacation.karoshi.com wrote:
>> FTP? Who uses FTP these days? Certainly not consumers. Even Cisco
> well, pretty much anyone who has large datasets to move around.
> that default 64k buffer in the openssl libs pretty much sucks
> rocks for large data flows.
Large data sets? So you are saying that 512-byte packets with no
windowing work better? Bill, have you measured this?
Time to download a 100mb file over HTTP and a 100mb interface: 20
seconds.
Time to download a 100mb file over FTP and a 100mb interface: ~7
minutes.
And yes, that was FreeBSD with the old version openssl library that
shipped with 6.3.
--
Jo Rhett
Net Consonance : consonant endings by net philanthropy, open source
and other randomness
