RE: [Geopriv] Explicit Indication of Location Object Consumer

BTW - this discussion REEEEALLY needs to be on the SIP list only - as that 
WG owns this topic (SIP-Location).  I'm not getting cross-posts from that 
list.  I'm only getting the Geopriv posts.

At 11:52 AM 5/22/2006 -0400, Brian Rosen wrote:
>I don't see this as a problem.
>
>Let's take the non-emergency case.
>
>If I call [email protected], and I want location based routing, I put
>my location header in the call, and send the call with TLS.  My outbound
>proxy will properly ignore it.  The pizza-hut domain is the one that wants
>to do location based routing, it will get the location and send it off.  I
>don't need to tell it to do that.  I could imagine a generic location based
>routing proxy, but I would not think we would want to mark the location
>header as the way to get it invoked; we need something else (directly, or
>indirectly, a Route header) to do that.
>
>If I want the endpoint to get it, then I protect it with S/MIME and no proxy
>sees it.
>
>Brian
>
>-----Original Message-----
>From: Tschofenig, Hannes [mailto:[email protected]]
>Sent: Monday, May 22, 2006 10:54 AM
>To: Brian Rosen; Hannes Tschofenig; [email protected]; [email protected]
>Subject: AW: [Geopriv] Explicit Indication of Location Object Consumer
>
>Hi Brian,
>
> > I would say no.  If the location is not needed by proxies,
> > then I would say
> > you MUST protect it (S/MIME), or it will not be private.
>I am less concerned about the security aspects here and more focused the
>protocol operation first.
>Typically, it is good to know for a device whether it has to process the
>content of the message or not.
>
>If you want to prevent intermediaries to inspect your location object
>then S/MIME might be a choice (at least on paper).
>
> >
> > If you have to route on it (emergency or otherwise), then you
> > have to send
> > it with TLS, and the proxies can see it.
> >
> > Brian
>
>Ciao
>Hannes
>
> >
> > -----Original Message-----
> > From: Hannes Tschofenig [mailto:[email protected]]
> > Sent: Sunday, May 21, 2006 7:40 AM
> > To: [email protected]; [email protected]
> > Subject: [Geopriv] Explicit Indication of Location Object Consumer
> >
> > Hi James
> > Hi Brian,
> >
> > do you plan to put additional info into the SIP message to
> > indicate who
> > should consume the Location Object (explicity rather than
> > implicit info)?
> >
> > Here is an example: Assume that SIP UA Alice wants to give
> > Bob location
> > information (via reference). Now, Alice could easily indicate that it
> > wants Bob to resolve the reference and to process the
> > location object.
> > Stating this explicitly would prevent proxies to resolve it and to
> > process the location object.
> >
> > Ciao
> > Hannes
> >
> >
> > _______________________________________________
> > Geopriv mailing list
> > [email protected]
> > https://www1.ietf.org/mailman/listinfo/geopriv
> >
> >
> > _______________________________________________
> > Geopriv mailing list
> > [email protected]
> > https://www1.ietf.org/mailman/listinfo/geopriv
> >
>
>
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