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Re: [RTG-DIR] RtgDir review: draft-ietf-rtgwg-policy-model-16

John Scudder <jgs@juniper.net> Tue, 07 July 2020 16:06 UTC

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From: John Scudder <jgs@juniper.net>
To: "John G. Scudder" <jgs@bgp.nu>
CC: "Acee Lindem (acee)" <acee=40cisco.com@dmarc.ietf.org>, Yingzhen Qu <yingzhen.qu@futurewei.com>, "rtg-ads@ietf.org" <rtg-ads@ietf.org>, "rtg-dir@ietf.org" <rtg-dir@ietf.org>, "draft-ietf-rtgwg-policy-model.all@ietf.org" <draft-ietf-rtgwg-policy-model.all@ietf.org>, RTGWG <rtgwg@ietf.org>
Subject: Re: [RTG-DIR] RtgDir review: draft-ietf-rtgwg-policy-model-16
Thread-Topic: [RTG-DIR] RtgDir review: draft-ietf-rtgwg-policy-model-16
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Date: Tue, 07 Jul 2020 16:05:58 +0000
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On Jul 7, 2020, at 11:35 AM, John G. Scudder <jgs@bgp.nu> wrote:


Hi Acee,

On Jul 7, 2020, at 11:16 AM, Acee Lindem (acee) <acee=40cisco.com@dmarc.ietf.org> wrote:

Yes. I’d say we should just use the ip-prefix type from RFC 6021. This type has the right semantics.
However, I’m wondering how we do the mask-length-lower checking with the union. I imagine it should be possible.

How would you test the constraint on mask-length-upper if you use ip-prefix?

Duh, that’s what you said, s/upper/lower/. I don’t see a way to do it, but if you can work it out I agree it otherwise seems like the right approach.

—John

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