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Re: [OPSAWG] Feedback on draft-www-opsawg-yang-vpn-service-pm

"Joe Clarke (jclarke)" <jclarke@cisco.com> Mon, 14 December 2020 20:53 UTC

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From: "Joe Clarke (jclarke)" <jclarke@cisco.com>
To: Qin Wu <bill.wu@huawei.com>
CC: "mohamed.boucadair@orange.com" <mohamed.boucadair@orange.com>, opsawg <opsawg@ietf.org>
Thread-Topic: Feedback on draft-www-opsawg-yang-vpn-service-pm
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Date: Mon, 14 Dec 2020 20:53:10 +0000
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Subject: Re: [OPSAWG] Feedback on draft-www-opsawg-yang-vpn-service-pm
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> On Dec 14, 2020, at 10:32, Qin Wu <bill.wu@huawei.com> wrote:
> 
> Thanks Med for clarification, we discussed the downside of using average before, i.e., hide outlier, which is more appropriate for relative even distribution.
> That is why we introduce percentiles. 3 percentiles value can be 50 percentile,75 percentile,95 percentile which is configured by setting low-percentile,middle-percentile, high-percentile under nt:link
>     augment /nw:networks/nw:network/nt:link:
>       +--rw low-percentile                    percentile
>       +--rw high-percentile                   percentile
>       +--rw middle-percentile                 percentile
> Then high-delay-percentile, high-jitter-percentile, etc can be used to report the measured delay value, jitter value corresponding to specific percentile value, i.e., high-percentile, low-percentile, middle-percentile.
> As Med clarified we have defined default value for them.

Thanks.

> Regarding the counter, I tend to agree, in addition, I think counter32 is sufficient for discard, error, unknown protocol related statistics, which is similar to
> What is defined in ietf-interfaces.

Agree.  I was referring to the bytes/packets counters to be in line with ietf-interfaces.

Joe

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