Re: [Geopriv] Another Update to draft-ietf-geopriv-loc-filters-05.txt

At 05:07 AM 7/17/2009, Hannes Tschofenig wrote:
>Hi Martin,
>
> >Thanks Hannes,
> >
> >responseTime is a bit of a concern.
> >
> >At a minimum, responseTime is a separate item from
> >locationType.  That will simplify your description a little.
>
>
>Since there is no top level XML element I could only define it as a separate
>XML element. That's fine but I believe it does not change a lot.
>
> >More seriously: I'm not entirely sure how to interpret
> >responseTime in the context of a SIP PA.  This might work as
> >you have described, but I would suggest that it complicates
> >things considerably.  There's discussion on this point in my
> >draft here:
> >
> ><http://tools.ietf.org/html/draft-thomson-simple-cont-presence->val 
> -req-02#section-4.6.1.1>
> >
> >I don't know how to solve this problem yet.
> >
>
>I am not sure I see the problems.
>
>Imagine a SIP proxy receives a SIP message with an LbyR and wants to
>retrieve location information for routing. Depending on the URI scheme (HTTP
>vs. SIP) he would either use
>http://tools.ietf.org/id/draft-winterbottom-geopriv-deref-protocol-03.txt
>Or
>http://www.ietf.org/internet-drafts/draft-ietf-geopriv-loc-filters-04.txt

I'm confused.

For SIP, why would the filters doc be used when Conveyance already 
has how a server dereferences a location URI for routing?

This isn't a soliciting action requiring filters.

>For
>http://tools.ietf.org/id/draft-winterbottom-geopriv-deref-protocol-03.txt he
>could use the 'responseTime' attribute set to "emergencyRouting".
>
>When a 'responseTime' attribute is used with
>http://www.ietf.org/internet-drafts/draft-ietf-geopriv-loc-filters-04.txt
>then hopefully the semantic would be the same. Instead of returning location
>information that is good for dispatch location information usable for
>routing would be returned.
>
>Ciao
>Hannes
>
> >--Martin
> >
> >> -----Original Message-----
> >> From: geopriv-bounces@ietf.org [mailto:geopriv-bounces@ietf.org] On
> >> Behalf Of Hannes Tschofenig
> >> Sent: Wednesday, 15 July 2009 6:25 PM
> >> To: geopriv@ietf.org
> >> Subject: [Geopriv] Another Update to draft-ietf-geopriv-loc-filters-
> >> 05.txt
> >>
> >> Hi all,
> >>
> >> Here is another update to
> >draft-ietf-geopriv-loc-filters-05.txt based
> >> on the feedback from Martin. The changes are:
> >>
> >> * added the <locationType> element (including the 'exact' and
> >> 'responseTime'
> >> attribute). I re-used the text from the HELD specification and
> >> modified as appropriately.
> >> * fixed the civic prefix in the example (again)
> >> * modified the schema to pick up the suggestion regarding
> >the <moved>
> >> and the <enterOrExit> element.
> >>
> >> The new document is here:
> >> http://www.tschofenig.priv.at/svn/Filters/draft-ietf-geopriv-loc-
> >> filters-05.
> >> txt
> >>
> >> Ciao
> >> Hannes
> >>
> >> PS: When including the text about <locationType> element two issues
> >> that might need to get discussed, namely the ability to
> >carry multiple
> >> PIDF- Los (or to include multiple representations of the location in
> >> the same
> >> PIDF-LO)
> >> in a NOTIFY and the need to define some error messages
> >(e.g., to tell
> >> the Notifier that the requested locationType is actually not
> >> available).
> >>
> >> _______________________________________________
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> >> Geopriv@ietf.org
> >> https://www.ietf.org/mailman/listinfo/geopriv
> >
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