Re: [VCARDDAV] Dynamic data field support?

["Darryl Champagne" <dgc at funambol.com>]

> -----Original Message-----
> From: Peter Saint-Andre [mailto:stpeter at stpeter.im]
> Sent: Thursday, May 08, 2008 10:12 PM
> To: Darryl Champagne
> Cc: vcarddav at ietf.org
> Subject: Re: [VCARDDAV] Dynamic data field support?
> 
> On 05/08/2008 7:58 PM, Darryl Champagne wrote:
> 
> > Should a revised vCard standard support information that is likely to be
> > dynamic - such as presence, current location, and current preferred
> contact
> 
> I think not. We already have infrastructure for presence, as well as
> "rich" or "extended" presence data such as geolocation. 

Agreed, and perhaps a better integration is eventually just adding a
vcarddav url there...

> IMHO a vCard
> contains relatively stable information about an entity. If we put
> dynamic data into vCards, then we'll need a technology for obtaining
> dynamic updates about that data (push or poll -- pick your poison). 

Note that OMA-DS/SyncML 1.1 and up (and ActiveSync, if I remember correctly)
already does this (both push and pull)...

> And
> then we'd need to define a way to categorize static vs. dynamic so that
> we don't poll for the static data only to be told that, no, the person's
> name still hasn't changed. Etc. 

OMA-DS/SyncML 1.2 and up supports sending just the fields that have changed,
although you still are doing this on a set of records, not polling or
receiving notifications based on a subset of fields.

> Sounds pretty messy to me.

Yes.  The one part I am seriously wondering about if there is some way to
update PREF to better fit the real world.  Unfortunately dealing with all
the issues is unreasonably complex - send work related emails to this
address, send personal messages to this one, use this phone for work related
stuff during these hours, for personal calls use these numbers during these
times, for emergencies use this...

> 
> Peter
> 
> --
> Peter Saint-Andre
> https://stpeter.im/


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