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Re: [Bgp-autoconf] Short comparison of the different documents.

"Dongjie (Jimmy)" <jie.dong@huawei.com> Thu, 19 March 2020 14:47 UTC

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From: "Dongjie (Jimmy)" <jie.dong@huawei.com>
To: Randy Bush <randy@psg.com>
CC: Robert Raszuk <robert@raszuk.net>, Jeffrey Haas <jhaas@pfrc.org>, "bgp-autoconf@ietf.org" <bgp-autoconf@ietf.org>, Warren Kumari <warren@kumari.net>
Thread-Topic: [Bgp-autoconf] Short comparison of the different documents.
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Date: Thu, 19 Mar 2020 14:47:24 +0000
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References: <CAHw9_i+0rDUJOR3mAMAh9+whaKX0Koc_VaibbfX1zRzocOAvhw@mail.gmail.com> <20200304220727.GC32422@pfrc.org> <fd21d65cfa0f46b9a02dba4048bc260d@huawei.com> <m2sgidbae5.wl-randy@psg.com> <ee273b6c53494af88708836858a40439@huawei.com> <CAOj+MMH+NTSjufvQroYaag8ReHwbZHqHYWz9ycvV74J5Z56wTQ@mail.gmail.com> <0232ff459c7e40c08e1b03abaee69bca@huawei.com> <m2pnd95i97.wl-randy@psg.com>
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Subject: Re: [Bgp-autoconf] Short comparison of the different documents.
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Hi Randy,

> -----Original Message-----
> From: Randy Bush [mailto:randy@psg.com]
> Sent: Thursday, March 19, 2020 7:57 AM
> To: Dongjie (Jimmy) <jie.dong@huawei.com>
> Cc: Robert Raszuk <robert@raszuk.net>; Jeffrey Haas <jhaas@pfrc.org>;
> bgp-autoconf@ietf.org; Warren Kumari <warren@kumari.net>
> Subject: Re: [Bgp-autoconf] Short comparison of the different documents.
> 
> jie,
> 
> > There can be several different use cases of the role information, such
> > as applying different policies/template for route advertisement, or
> > for validation of session establishment (e.g. session between leafs
> > may not be permitted). And if you have other use cases, please help to
> > list them.
> 
> no.  we should not try to enumerate all possible operational practices, roles
> of devices, ... in the design spec.  to explore the space, we may need to
> discuss one or two examples to ensure we are not making a serious omission.

I guess we are in-sync about this.

My thought was to list a few typical use cases to prove that this is something useful in general, and I agree that we don't need to provide an exhaustive list. 

-Jie

> 
> but please let us not go down this capybara hole.
> 
> randy

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