Re: [babel] Alvaro Retana's No Objection on draft-ietf-babel-yang-model-10: (with COMMENT)

[Alvaro Retana <[e-mail]>]

On May 17, 2021 at 9:02:01 PM, Mahesh Jethanandani wrote:


Mahesh:

Hi!


> > §1: "It is based on the Babel Information Model
> > [I-D.ietf-babel-information-model]." The reference should be Normative.
>
> This gets into a whole lot of discussion around whether the information model
> is informational or not, something that has already happened in the WG and
> when that document came up in front of IESG (I think). I believe the decision
> was to keep the information model as informative.

The status of the document has nothing to do with the need (or not) to
reference it in a normative way.  In general, "normative references
specify documents that must be read to understand or implement the
technology" [1].  In this case, the YANG model is based on the
Information model: the reference should be Normative regardless of the
status of the documents.


> I have therefore kept the reference as Informative. If I try to move it into
> the Normative part of the reference section, I get a downref error.

Having a Downref is not a showstopper -- it simply needs to be called
out on the IETF LC.  There are many documents that have been used as
Downrefs [2].


Thanks!

Alvaro.



[1] https://www.ietf.org/about/groups/iesg/statements/normative-informative-references/

[2] https://datatracker.ietf.org/doc/downref/