Re: [Ecrit] [Geopriv] Announce: Specifying Derived Location in aPIDF-LO

["Winterbottom, James" <James.Winterbottom at andrew.com>]

To be clear, this is expressing a relationship between any two things that have an XML <id> attribute.
The draft shows how this can be done to link two location chunks providing the location chunks follow the rules laid out in PIDF-LO profile.

Derived from is one way this can be used.

Cheers
James


-----Original Message-----
From: ecrit-bounces at ietf.org on behalf of Brian Rosen
Sent: Tue 7/29/2008 10:39 AM
To: 'Hannes Tschofenig'; 'James M. Polk'
Cc: geopriv at ietf.org; ecrit at ietf.org
Subject: Re: [Ecrit] [Geopriv] Announce: Specifying Derived Location in aPIDF-LO
 
Actually, no.

All you need to specify that a location is derived is to have the method
token set to derived.

James thinks there is value in linking the derived PIDF to the original
PIDF.

That is a separate question.

I think there is some merit in the basic idea of linking.

I wonder if this is a specific case of a more general notion: expressing a
relationship between two PIDFs?

Brian


> -----Original Message-----
> From: geopriv-bounces at ietf.org [mailto:geopriv-bounces at ietf.org] On Behalf
> Of Hannes Tschofenig
> Sent: Tuesday, July 29, 2008 9:26 AM
> To: James M. Polk
> Cc: geopriv at ietf.org; ecrit at ietf.org
> Subject: Re: [Geopriv] [Ecrit] Announce: Specifying Derived Location in a
> PIDF-LO
> 
> 
> >
> >> I also though that location information was generally only going be
> >> sent if TLS was used, which would rule out the use of UDP as a viable
> >> transport wouldn't it? Certainly I would be uncomfortable sending my
> >> location in an unencrypted UDP packet as I hardly think that that
> >> meets the general requirements of a using protocol.
> >
> > James, YOU keep making these points as if everyone has YOUR values and
> > uses protocols only YOUR way.  Are you (as a single entity)
> > representative of the entire human race?
> >
> 
> 
> I am not sure why you guys are arguing around on this issue.
> 
> * We know that location information is encoded in XML and not
> particularly small.
> * We also know that there are security issues with passing location
> information around. Hence, we use security protocols.
> 
> What we should think about is whether it makes sense to indicate that
> location was derived. If you want to indicate that location was derived
> then there is the question on how to express that fact.
> 
> Ciao
> Hannes
> 
> 
> 
> _______________________________________________
> Geopriv mailing list
> Geopriv at ietf.org
> https://www.ietf.org/mailman/listinfo/geopriv

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