[55725] in North American Network Operators' Group
Re: VoIP QOS best practices
daemon@ATHENA.MIT.EDU (Bill Woodcock)
Mon Feb 10 13:02:00 2003
Date: Mon, 10 Feb 2003 09:58:08 -0800 (PST)
From: Bill Woodcock <woody@pch.net>
To: "Stephen J. Wilcox" <steve@telecomplete.co.uk>
Cc: nanog@nanog.org
In-Reply-To: <Pine.LNX.4.44.0302101751450.9430-100000@MrServer>
Errors-To: owner-nanog-outgoing@merit.edu
> However, its important that the backbone is operating "properly" ie not
> saturated which I think should be the case for all network operators, theres a
> requirement tho if the customer has a relatively low bandwidth tail to the
> network which is shared for different applications, its probably a good idea to
> make sure the voip packets have higher priority than non-realtime data... (this
> last comment is a suggestion, I've not actually tested this in a real
> environment, low b/w lab tests tend to exclude other traffic flows)
We've got plenty of the INOC-DBA phones on the ends of congested satellite
tail-circuits, and don't really have significant trouble. As has been
pointed out, the VoIP traffic may be stomping all over TCP traffic on the
same links, but it _sounds_ good. :-)
-Bill
