[75701] in North American Network Operators' Group
Re: Diffserv service classes
daemon@ATHENA.MIT.EDU (Petri Helenius)
Sun Nov 21 04:57:42 2004
Date: Sun, 21 Nov 2004 11:56:54 +0200
From: Petri Helenius <pete@he.iki.fi>
To: Sean Donelan <sean@donelan.com>
Cc: nanog@merit.edu
In-Reply-To: <Pine.GSO.4.58.0411202332230.18521@clifden.donelan.com>
Errors-To: owner-nanog-outgoing@merit.edu
Sean Donelan wrote:
>On Sat, 20 Nov 2004, Vicky wrote:
>
>
>>interesting read at:
>>http://qbone.internet2.edu/papers/non-architectural-problems.txt
>>
>>
>
>There is a long history of problems. But Internet2 also shows a success
>for Diffserv, namely there is demand for a "worse" effort.
>
>Are a dozen differnt classes useful to a network operator?
>
>
Hardly, the greatest demand so far has been for "cheap if not free"
packets which your transit provider can drop if he so decides. Bandwidth
that is used for redundancy planning, etc.
Queuing/diffserv is useful on thin (sub 2Mbps) edge links.
Pete
