Re: [Tzdist] Fwd: [tzdist] #32 (service): managing historical data

Doug Royer <douglasroyer@gmail.com> Tue, 16 December 2014 20:22 UTC

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Date: Tue, 16 Dec 2014 13:20:15 -0700
From: Doug Royer <douglasroyer@gmail.com>
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To: Time Zone Data Distribution Service <tzdist@ietf.org>
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Subject: Re: [Tzdist] Fwd: [tzdist] #32 (service): managing historical data
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On 12/16/2014 12:58 PM, Cyrus Daboo wrote:
> ...
> As I proposed before I want to see the version number be part of the 
> meta-data associated with the time zone data - i.e., part of the list 
> action response. I don't want to see it in the time zone data due to 
> the fact that, with the current manner in which IANA tz data is 
> "tagged" with a version, the entire set of time zones would be marked 
> as changed.

That point is valid, however as soon as the data is saved on the 
tzdist-server, and the first fetch is performed, is it not just as 
likely that it would trigger a everything is out of date when they 
compare it to 'nothing authoritative known about this TZID yet - so get 
it' ?

> I believe providing that information as meta-data is the right thing 
> to do and gives clients/applications/protocols all the information 
> they need to manage version discrepancies if that is something that is 
> an issue for them. ...

I don't care if is meta data or in VTIMEZONE. I see the same mass fetch 
everything outcome on the first try.

-- 

Doug Royer - (http://K7DMR.us / http://DougRoyer.US)
DouglasRoyer@gmail.com
714-989-6135