[144344] in North American Network Operators' Group
Re: Silently dropping QoS marked packets on the greater Internet
daemon@ATHENA.MIT.EDU (Mark Tinka)
Fri Sep 9 01:10:43 2011
From: Mark Tinka <mtinka@globaltransit.net>
To: nanog@nanog.org
Date: Fri, 9 Sep 2011 13:10:00 +0800
In-Reply-To: <20110902144817.GA23688@pob.ytti.fi>
Reply-To: mtinka@globaltransit.net
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Friday, September 02, 2011 10:48:17 PM Saku Ytti wrote:
> Seems in this instance someone has deployed QoS and is
> trusting markings from Internet, which is just broken,
> as they cannot anymore guarantee that customer
> video/voice etc works during congestion, so the QoS
> product is broken.
Despite that, one may be able to correctly schedule a=20
particular type of traffic as it comes in from their=20
customer bound for the Internet. However, the reverse is=20
normally not very true or easy to implement, unless one is=20
willing to go through the hassle of correctly identifying=20
the exact traffic type for their customer that's making its=20
away back, at all points of entry.
Mark.
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