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Re: [babel] info-model: those darned metrics

"STARK, BARBARA H" <bs7652@att.com> Thu, 22 August 2019 18:35 UTC

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From: "STARK, BARBARA H" <bs7652@att.com>
To: "'babel@ietf.org'" <babel@ietf.org>
Thread-Topic: info-model: those darned metrics
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Date: Thu, 22 Aug 2019 18:35:39 +0000
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Subject: Re: [babel] info-model: those darned metrics
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> It looks like I missed updating some of the language in the descriptions for
> calculated and received metrics.
> 
> It says "At least one of babel-route-calculated-metric and babel-route-
> received-metric MUST be non-zero. Having both be non-zero is expected for
> a route that is received and subsequently advertised."
> 
> I think it should be "At least one of babel-route-calculated-metric and babel-
> route-received-metric will be non-NULL. Having both be non-NULL is
> expected for a route that is received and subsequently advertised."
> 
> There's no need for normative language here, since the values are read-only
> and beyond the control of the info model.

In discussions with Mahesh on the YANG model, he expressed a preference to have normative language of:
"At least one of babel-route-calculated-metric and babel-
route-received-metric MUST be non-NULL. Having both be non-NULL is
expected for a route that is received and subsequently advertised."

Would anyone have a problem with this?
Barbara

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