Re: [ippm] Performance Metrics Registry: new draft

<philip.eardley@bt.com> Tue, 30 July 2013 15:59 UTC

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From: philip.eardley@bt.com
To: bclaise@cisco.com, ippm@ietf.org
Date: Tue, 30 Jul 2013 16:58:40 +0100
Thread-Topic: [ippm] Performance Metrics Registry: new draft
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Subject: Re: [ippm] Performance Metrics Registry: new draft
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Benoit,

I'm trying to compare your i-d with the two bagnulo drafts - they tried to compare organising a registry "hierarchically" or "independently" .
http://datatracker.ietf.org/doc/draft-bagnulo-ippm-new-registry/
http://datatracker.ietf.org/doc/draft-bagnulo-ippm-new-registry-independent/

so do we have independent registries: one a regsitry of the test methods (UDP latency, UDP packet loss etc); one a registry of possible ways of scheduling instances of the test (one-off, regular, poisson distribution etc); one a registry of the possible output formats for the results (raw data, mean, X-ile...); etc.
So, a measurement system would choose one entry from each registry in order to define a test.

or do we have a single registry which has all the combinations (UDP latency + one-off + raw data; etc). 
one entry from this registry would define a test. 

I wasn't sure from your draft which you think is the right approach to pursue, or whether you're suggesting a third possibility.

thanks
phil


________________________________________
From: ippm-bounces@ietf.org [ippm-bounces@ietf.org] On Behalf Of Benoit Claise [bclaise@cisco.com]
Sent: 15 July 2013 17:10
To: IETF IPPM WG
Subject: [ippm] Performance Metrics Registry: new draft

Dear all,

Let me introduce
http://datatracker.ietf.org/doc/draft-claise-ippm-perf-metric-registry/
This draft creates of a new IANA registry, for performance metrics that
follows the RFC6390 template.
And, let's not forget that the IPPM charter mentions: "Metric
definitions will follow the template given in RFC 6390."

Thanks Brian for giving me 10 min to present this draft.

Regards, Benoit.



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