Re: Last Call: <draft-ietf-rtgwg-policy-model-28.txt> (A YANG Data Model for Routing Policy) to Proposed Standard

tom petch <daedulus@btconnect.com> Wed, 09 June 2021 08:59 UTC

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Subject: Re: Last Call: <draft-ietf-rtgwg-policy-model-28.txt> (A YANG Data Model for Routing Policy) to Proposed Standard
To: last-call@ietf.org
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Cc: draft-ietf-rtgwg-policy-model@ietf.org, rtgwg@ietf.org, rtgwg-chairs@ietf.org
From: tom petch <daedulus@btconnect.com>
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Date: Wed, 09 Jun 2021 09:59:25 +0100
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On 07/06/2021 23:51, The IESG wrote:
>
> The IESG has received a request from the Routing Area Working Group WG
> (rtgwg) to consider the following document: - 'A YANG Data Model for Routing
> Policy'
>    <draft-ietf-rtgwg-policy-model-28.txt> as Proposed Standard

The challenge with this I-D, as has been discussed on the WG list, is 
the references, in two regards.  It is a generic model that is likely to 
be used with an augmentation from a routing protocol specific model such 
as BGP.  Indeed, the I-D includes such an example except that it is not 
an example but the real thing, based on the current status of bgp-model 
but with no guarantee as to what the bgp-model will look like as and 
when the bgp-model is an RFC when it could be a challenge to understand 
this model. bgp-model is not a Normative Reference - in a sense it is 
not one, but that could cause difficulties as above.

The other issue with a reference is that it Normatively references 
netmod-sub-intf-vlan-model, which expired last year.

The issue is not new; ospf-yang has been waiting a few years for its 
references to progress but I do see it as problematic.

Tom Petch


> The IESG plans to make a decision in the next few weeks, and solicits final
> comments on this action. Please send substantive comments to the
> last-call@ietf.org mailing lists by 2021-06-22. Exceptionally, comments may
> be sent to iesg@ietf.org instead. In either case, please retain the beginning
> of the Subject line to allow automated sorting.
>
> Abstract
>
>
>     This document defines a YANG data model for configuring and managing
>     routing policies in a vendor-neutral way.  The model provides a
>     generic routing policy framework which can be extended for specific
>     routing protocols using the YANG 'augment' mechanism.
>
>
>
>
> The file can be obtained via
> https://datatracker.ietf.org/doc/draft-ietf-rtgwg-policy-model/
>
>
>
> No IPR declarations have been submitted directly on this I-D.
>
>
>
>
> _______________________________________________
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>