[87417] in North American Network Operators' Group

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Re: The Qos PipeDream

daemon@ATHENA.MIT.EDU (Florian Weimer)
Fri Dec 16 07:10:51 2005

From: Florian Weimer <fw@deneb.enyo.de>
To: Sean Donelan <sean@donelan.com>
Cc: nanog@merit.edu
Date: Fri, 16 Dec 2005 13:10:20 +0100
In-Reply-To: <Pine.GSO.4.58.0512151840570.15946@clifden.donelan.com> (Sean
	Donelan's message of "Thu, 15 Dec 2005 19:15:49 -0500 (EST)")
Errors-To: owner-nanog@merit.edu


* Sean Donelan:

> AT&T, Global Crossing, Level3, MCI, Savvis, Sprint, etc have sold
> QOS services for years. Level3 says 20% of the traffic over its
> backbone is "better than Best-Effort."

Well, are you sure these traffic classes are actually enforced at the
router level?  Maybe it's just a difference in the SLA, and the
packets are still treated the same across the network.

> Internet2 gave up on premium QOS and deployed "less-than Best
> Effort" scavenger class.

I doubt that utilization on Abilene is high enough for QoS to make any
difference. 8-)

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