Re: [ippm] Adoption call for draft-olden-ippm-qoo-02

"Kevin Smith, Vodafone" <Kevin.Smith@vodafone.com> Wed, 17 January 2024 11:20 UTC

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From: "Kevin Smith, Vodafone" <Kevin.Smith@vodafone.com>
To: "ippm@ietf.org" <ippm@ietf.org>
Thread-Topic: Re: [ippm] Adoption call for draft-olden-ippm-qoo-02
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Date: Wed, 17 Jan 2024 11:19:43 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/ippm/Ku-vDHy32c_XZy3q1bsTEjaoAJs>
Subject: Re: [ippm] Adoption call for draft-olden-ippm-qoo-02
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Hi Tommy, all,

I have reviewed the draft, and strongly support draft-olden-ippm-qoo-02 for working group adoption. 

Some rationale:
Vodafone use the Quality Attenuation measurement methodology as a provable/composable means to determine: 
(1) the CDF to show to what extent the network can meet the networking requirements of a given application
(2) the factors that most impact packet delay and packet loss (propagation delay | serialisation | queueing)

...across both uplink and downlink.

Whilst the network has the most accurate view of network performance, the application provider is far more likely to know the network performance thresholds below which their users will suffer poor experience. Quality of Outcome supports collaboration between users/application/networks, by making available the measurements of Quality Attenuation and matching them to the applications' demands in a way which can be more easily presented to end users as a level of confidence whether their session will be (at least) satisfactory. In turn this allows the application to offer a 'graceful fallback' should the network be unable to fulfil the performance thresholds.
And QoO can achieve this without packet inspection or 'traffic management' techniques that can threaten privacy/regulatory compliance.

All best,
Kevin Smith 
Vodafone







C2 General