nanog mailing list archives

Re: QoS for Office365


From: Mark Tinka <mark.tinka () seacom mu>
Date: Tue, 9 Jul 2019 00:40:11 +0200



On 9/Jul/19 00:35, Warren Kumari wrote:

I disagree -- you *can* guarantee what someone else will do with your
ToS fields....... they will A: ignore them and / or B: scribble all
over them.

I'll rephrase... you can't guarantee that a remote network will handle
your packets the way you intend.


At a previous employer (AOL, doing VoIP for customer service / call
centers, ~2004) we had a number of contractual agreements with
multiple providers to honor our QoS markings -- as far as I could tell
(marking test traffic under congestion events) only one of about seven
did anything at all with the marking, and that wasn't enough to make
any difference... I briefly toyed with the idea of asking for some
money back / trying to enforce the terms of the agreements, but
figured that there wasn't much point - expecting QoS to work in
someone else's network based upon your markings seems like a fool's
errand.

Agreed.

I would, though, say that I admire that you went as far as ringing up
contracts on the back of this.

Mark.


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