Re: [Idr] draft-ymbk-sidrops-rov-no-rr

Robert Raszuk <robert@raszuk.net> Mon, 15 November 2021 18:45 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Mon, 15 Nov 2021 19:45:09 +0100
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To: Job Snijders <job@fastly.com>
Cc: Jeff Tantsura <jefftant.ietf@gmail.com>, "idr@ietf. org" <idr@ietf.org>
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Subject: Re: [Idr] draft-ymbk-sidrops-rov-no-rr
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Hi,

By "shadow" I meant to (really) make sure it is pre-policy. I am not sure
if this is *always* pre policy :).

Kind regards,
Robert


On Mon, Nov 15, 2021 at 7:42 PM Job Snijders <job@fastly.com> wrote:

> Hi Robert,
>
> On Mon, Nov 15, 2021 at 07:32:33PM +0100, Robert Raszuk wrote:
> > It sure can. RIR can adjust ownership of the prefix, RIR can have bugs,
> ASN
> > ownership can change etc ... It may or may not need to trigger an
> > actual BGP update and those two worlds are decoupled.
> >
> > IMHO we should just mandate to keep shadow of the Adj-RIB-In pre
> > policy or offload the validation to local controller(s) fed by RPKI
> > and BMP data.
>
> I think you and the authors are aligned in terms of desired outcome.
>
> When you say "shadow of the Adj-RIB-In pre policy", it makes me wonder
> if there is some kind of disconnect in our mutual understanding of the
> definition what "Adj-RIB-In" means. As far as I understand the term,
> Adj-RIB-In is "pre-policy".
> https://datatracker.ietf.org/doc/html/rfc4271#section-3.2
>
> I'm not sure I a point to explicitly describe 'offload to controller',
> because from a protocol description perspective in this context there is
> no difference whether a 'traditional BGP router' or 'thing + controller'
> is used.
>
> Kind regards,
>
> Job
>