Re: [netmod] AD review of draft-ietf-netmod-entity-06

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Thu, 21 December 2017 12:03 UTC

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Date: Thu, 21 Dec 2017 13:03:36 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Martin Bjorklund <mbj@tail-f.com>
Cc: netmod@ietf.org
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Subject: Re: [netmod] AD review of draft-ietf-netmod-entity-06
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On Thu, Dec 21, 2017 at 12:58:26PM +0100, Martin Bjorklund wrote:
> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
> > On Thu, Dec 21, 2017 at 12:37:46PM +0100, Martin Bjorklund wrote:
> > > Hi,
> > > 
> > > I need WG input on this issue.  The question is how to handle
> > > 'serial-num', 'mfg-name', and 'model-name'.  I think they should all
> > > be treated the same.  Based on previous WG discussion (see e.g. the
> > > mail thread "draft-ietf-netmod-entity issue #13"), I think they should
> > > all be configurable, but the configured value is only used in
> > > operational state if the system cannot read it from the hardware.
> > > 
> > > So I suggest the following changes:
> > > 
> > > OLD:
> > > 
> > >       leaf serial-num {
> > >         type string;
> > >         config false;
> > >         description
> > >           "The vendor-specific serial number string for the
> > >            component.  The preferred value is the serial number
> > >            string actually printed on the component itself (if
> > >            present).";
> > >         reference "RFC 6933: entPhysicalSerialNum";
> > >       }
> > > 
> > > NEW:
> > > 
> > >       leaf serial-num {
> > >         type string;
> > >         description
> > >           "The vendor-specific serial number string for the
> > >            component.  The preferred value is the serial number
> > >            string actually printed on the component itself (if
> > >            present).
> > 
> > The last sentence is not useful since nobody knows what 'preferred'
> > value means. So remove it.
> 
> This text comes from RFC 6933.  Do you really think it is not clear
> what the intention is?

I guess I read too fast. No, the sentence is fine. My comment was wrong.

[...] 
 
> Agreed.  So we'd have a single paragraph:
> 
>    This leaf can be configured.  The configured value is used only if
>    the server cannot determine the vendor-specific serial number from
>    the component itself.

Yes, I think this covers it.

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>