Re: [netmod] New Version Notification for draft-ietf-netmod-iana-timezones-01.txt

Martin Bjorklund <mbj@tail-f.com> Tue, 12 November 2013 16:31 UTC

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Date: Tue, 12 Nov 2013 17:31:16 +0100
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To: j.schoenwaelder@jacobs-university.de
From: Martin Bjorklund <mbj@tail-f.com>
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Subject: Re: [netmod] New Version Notification for draft-ietf-netmod-iana-timezones-01.txt
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Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
> On Tue, Nov 12, 2013 at 04:05:31PM +0000, Lange, Jeffrey K (GE Energy
> Management) wrote:
> > I've updated the iana timezone typedef to reflect the latest version
> > of the IANA timezone database.  However in doing this I think I've
> > found a larger issue.  One of the changes was the removal of the
> > timezone "Antarctica/South_Pole" This leads to a problem if we are
> > trying to reflect this as an enumeration (with an auto incrementing
> > value). Would this not make more sense to convert this to an identity
> > so that changes to the IANA timezone database would not be as
> > intrusive?
> 
> Thanks for looking into the update.
> 
> Concerning the removal, I think the proper YANG way would be to mark
> the status of the enum obsolete. This should actually be discussed in
> the IANA guidelines.

+1

> I am not sure how choosing identities instead of
> enums makes a difference here - perhaps I am missing something?

In fact, using identities give the impression that this is a
"decentralized extensible enumeration", which I believe it is not.  It
is a centralized enumeration.


/martin