[88150] in North American Network Operators' Group

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

Re: is this like a peering war somehow?

daemon@ATHENA.MIT.EDU (Todd Vierling)
Mon Jan 23 06:54:29 2006

Date: Mon, 23 Jan 2006 06:53:51 -0500 (Eastern Standard Time)
From: Todd Vierling <tv@duh.org>
To: Mikael Abrahamsson <swmike@swm.pp.se>
Cc: nanog@merit.edu
In-Reply-To: <Pine.LNX.4.62.0601222052350.11091@uplift.swm.pp.se>
Errors-To: owner-nanog@merit.edu


On Sun, 22 Jan 2006, Mikael Abrahamsson wrote:

> If you have an 8meg ADSL line and want to deliver IPTV you need some kind of
> preferential treatment to the TV packets on this access line to ensure
> quality, for instance in the case of the user doing a file transfer at the
> same time they're watching TV.

Provided that IPTV or VoIP are the only [large] datagram streams in
progress, this is not difficult to do on the CPE end -- in fact, this sort
of thing is already available as a QoS option in some home router
appliances.  It involves scaling back TCP streams so that they leave enough
headroom for the in-progress IPTV or VoIP.

-- 
-- Todd Vierling <tv@duh.org> <tv@pobox.com> <todd@vierling.name>

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