[95483] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: TCP and WAN issue

daemon@ATHENA.MIT.EDU (Eric A. Hall)
Tue Mar 27 23:53:58 2007

Date: Tue, 27 Mar 2007 22:53:08 -0500
From: "Eric A. Hall" <ehall@ehsco.com>
To: nanog <nanog@merit.edu>
In-Reply-To: <20070328014405.GA45859@ussenterprise.ufp.org>
Errors-To: owner-nanog@merit.edu



On 3/27/2007 8:44 PM, Leo Bicknell wrote:

> Jumbo frames are not [required], and in fact make little difference.

They are actually worse in some applications, since they have such a high
propagation delay. Instead of streaming 6 segments spread across a 300
usec time window, you send a single segment that still requires 300
usec... not always with happy results.

-- 
Eric A. Hall                                        http://www.ehsco.com/
Internet Core Protocols          http://www.oreilly.com/catalog/coreprot/

home help back first fref pref prev next nref lref last post