[126163] in North American Network Operators' Group
Re: Emulating ADSL bandwidth shaping
daemon@ATHENA.MIT.EDU (isabel dias)
Tue May 4 09:42:17 2010
Date: Tue, 4 May 2010 06:41:48 -0700 (PDT)
From: isabel dias <isabeldias1@yahoo.com>
To: Chris Boyd <cboyd@gizmopartners.com>, NANOG <nanog@nanog.org>
In-Reply-To: <6C483617-D577-4DA7-BA15-FE00FFEB28B3@gizmopartners.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
same as in the HFC and QAM modulation values and so on and so forth .....=
=0Aservices that are requiring a connection-oriented service such as a gami=
ng clan/cloud are highly affected when working in latency and jitter networ=
k based environments such as the ethernet based ones and SMDS .......=0A=0A=
=0A=0A=0A----- Original Message ----=0AFrom: Chris Boyd <cboyd@gizmopartner=
s.com>=0ATo: NANOG <nanog@nanog.org>=0ASent: Tue, May 4, 2010 2:19:39 PM=0A=
Subject: Re: Emulating ADSL bandwidth shaping=0A=0A=0AOn May 4, 2010, at 7:=
27 AM, Marshall Eubanks wrote:=0A=0A> I am not sure what the point is in mi=
xing in speed of light latency. If your "typical sites" are, say,=0A> India=
n cricket blogs, you will typically have a high latency from the US. What d=
oes that tell=0A> you about your DSL or Cable system, except that it is som=
ewhat removed from India ?=0A=0AMost of the ADSL installations I've seen in=
SBC 13 state area had interleaving turned on, which significantly increase=
s latency.=A0 I suspect that's why many cable MSOs in the same territory ha=
ve "cable is better for gaming" marketing campaigns running all the time.=
=0A=0ASo the latency you see on an ADSL line is dependent on how the carrie=
r set up the DSLAM.=0A=0A--Chris=0A=0A=0A=0A
