Re: [babel] Minor format problem in draft-ietf-babel-yang-model-04

Donald Eastlake <d3e3e3@gmail.com> Thu, 16 January 2020 02:39 UTC

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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Wed, 15 Jan 2020 21:38:52 -0500
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To: Mahesh Jethanandani <mjethanandani@gmail.com>
Cc: "STARK, BARBARA H" <bs7652@att.com>, Babel at IETF <babel@ietf.org>
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Subject: Re: [babel] Minor format problem in draft-ietf-babel-yang-model-04
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Hi Mahesh,

Thanks for posting an update to the Babel YANG draft. Does this includes
all the changes you currently think needed? If so, I think we could just do
a brief WG Last Call and then proceed to request publication.

For people's information, the diff against the previous version is
https://tools.ietf.org/rfcdiff?url2=draft-ietf-babel-yang-model-05.txt

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 2386 Panoramic Circle, Apopka, FL 32703 USA
 d3e3e3@gmail.com


On Mon, Jan 6, 2020 at 2:07 PM Mahesh Jethanandani <mjethanandani@gmail.com>;
wrote:

> Hi Barbara,
>
> You bring up a good point.
>
> Have added feature statements for security, MAC and certificate types, and
> made the identity statements conditional on the features being declared.
> Also beefed up the example to show how the system could be configured for
> HMAC-SHA256 MAC algorithm.
>
> Thanks.
>
> On Jan 6, 2020, at 6:39 AM, STARK, BARBARA H <bs7652@att.com>; wrote:
>
> Hi Mahesh,
> In looking over this change, I’m trying to understand how indicating
> supported metric computation algorithms (expressed through feature +
> identity statements, but no leaf-list) differs from indicating supported
> security mechanisms, MAC algorithms, and certificate types (expressed
> through identity statements + leaf-list).
>
> Why would we not use the same approach for all 4 of these?
> Barbara
>
> *From:* babel <babel-bounces@ietf.org>; *On Behalf Of *Mahesh Jethanandani
> *Sent:* Friday, January 03, 2020 4:22 PM
> *To:* Donald Eastlake <d3e3e3@gmail.com>;
> *Cc:* Babel at IETF <babel@ietf.org>;
> *Subject:* Re: [babel] Minor format problem in
> draft-ietf-babel-yang-model-04
>
> Hi Donald,
>
> In trying to make the changes you requested, I came across another change
> that needs to be pushed.
>
> The information model suggests that babel-information-obj should maintain
> a list of metric-comp-algorithm that are supported by an implementation.
> The problem with just keeping a list in YANG is that there is no way to
> enforce that the implementation uses only those algorithms. To address the
> issue we had introduced the concept of features in -04 version of the draft.
>
> Using the feature statement, the implementation can declare which of the
> metric-comp-algorithms it supports, which was the intention of having a
> list of those algorithms in the first place. As such, we do not need the
> global list anymore, and needs to be removed. I will be adding that change
> in the -05 version of the draft.
>
> If you feel that it requires a short LC to be issued, please feel free to
> do so after I post the draft.
>
> Thanks.
>
>
> On Jan 3, 2020, at 10:32 AM, Donald Eastlake <d3e3e3@gmail.com>; wrote:
>
> Hi Mahesh,
>
> You're welcome. My apologies for not noticing it earlier. Can you go ahead
> and post a revision with this trivial change?
>
> Thanks,
> Donald
> ===============================
>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>  2386 Panoramic Circle, Apopka, FL 32703 USA
>  d3e3e3@gmail.com
>
>
> On Fri, Jan 3, 2020 at 2:21 AM Mahesh Jethanandani <
> mjethanandani@gmail.com>; wrote:
>
> Hi Donald,
>
> Yes, that should be ok. And thanks for catching it.
>
>
> Cheers.
> Mahesh Jethanandani
> mjethanandani@gmail.com
>
>
> On Jan 2, 2020, at 8:27 PM, Donald Eastlake <d3e3e3@gmail.com>; wrote:
>
> Hi Mahesh,
>
> Happy New Year!
>
> There seems to be a minor format problem in this draft, in particular four
> lines, all identical, that are 76 characters long. Lines over 72 characters
> are not allowed in Internet Drafts.
>
> On page 34, page 35, page 36, and page 38 the following line occurs:
>
> xmlns:babel="urn:ietf:params:xml:ns:yang:ietf-babel">babel:babel
> Is it possible to fold this into something like
>             xmlns:babel=
>                 "urn:ietf:params:xml:ns:yang:ietf-babel">babel:babel
> or just reduce the indent of those lines?
>
> Thanks,
> Donald
> ===============================
>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>  2386 Panoramic Circle, Apopka, FL 32703 USA
>  d3e3e3@gmail.com
>
>
> Mahesh Jethanandani
> mjethanandani@gmail.com
>
>
> Mahesh Jethanandani
> mjethanandani@gmail.com
>
>
>
>