Re: [Geopriv] Items of cross group interest

["Brian Rosen" <br at brianrosen.net>]

I oppose the notion of another event package beyond presence to return a
PIDF (containing, in this context, a PIDF-LO).

I the only capability draft-winterbottom-sip-location-package-00 offers over
presence+loc-filters that I can see is the ability to specify the "what",
i.e. the form of location.  If this is desirable, we can add it to
loc-filter.

I must confess that I have had a very hard time understanding what
polk-sip-location-get does.  It appears to define filters for the presence
package, somewhat like loc-filters, but there are some additions that are
unclear to me (filter 1 filters on presentities, but unless the subscription
URI is a list, there is only one presentity, but it doesn't say it's for
lists, and if it is for lists, why do we need a filter on the list?).  Many
of the other filters seem to duplicate what is in loc-filters.  There is no
justification offered for why an alternative to loc-filters is needed.

I think we should continue working on loc-filters, adding a filter for
"what" and not consider the other proposals.

Brian

> -----Original Message-----
> From: geopriv-bounces at ietf.org [mailto:geopriv-bounces at ietf.org] On Behalf
> Of Robert Sparks
> Sent: Friday, July 18, 2008 4:07 PM
> To: GEOPRIV
> Cc: SIP IETF; sipping LIST
> Subject: [Geopriv] Items of cross group interest
> 
> This message is heavily crossposted. It is set to reply-to geopriv.
> If you manually reply-to, please reply there.
> 
> There are some questions about how to best provide location for some
> applications. To date, the answer from GEOPRIV has been to use
> Presence as defined by SIMPLE and extended by GEOPRIV. (We've spent
> time arguing that in GEOPRIV more than once).
> 
> There are some new proposals, perhaps with new information, that push
> at that answer again, and in some cases, if they move forward, its not
> clear what the best venue to vet them in is. But we have to start
> somewhere, and the plan at the moment is to have a framing discussion
> in GEOPRIV.
> 
> Please review the following drafts, comment on the GEOPRIV list if you
> have an opinion, and plan to attend this section of the GEOPRIV
> meeting if you have an interest in how the conversation turns out.
> 
> ------
> Location events/filters
>             draft-ietf-geopriv-loc-filters-02.txt
>             draft-winterbottom-sip-location-package-00.txt
>             draft-polk-sip-location-get-00.txt
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