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Henning,
I guess we are at odds then.
I am suggesting that it be made as a recommendation, not a must.
I see little reason for a Device describing my location to use a polygon
with more than 15 vertices. Most mechanisms that measure location can't
provide a polygon anyway, so it will more than likely need to be
provided manually or datafilled somewhere. I want consistency and
interoperability, something that the proposed recommendation would
promote.
Cheers
James
> -----Original Message-----
> From: Henning Schulzrinne [mailto:hgs@xxxxxxxxxxxxxxx]
> Sent: Thursday, 5 July 2007 10:34 AM
> To: Winterbottom, James
> Cc: Hannes Tschofenig; ECRIT
> Subject: Re: [Ecrit] RE: LoST pre-06 review
>
> I see no reason to restrict LoST clients to 16 points or to mention
> that clients (may) have this restriction. This is likely to be
> counterproductive, as this may yield LoST implementations that are
> not tested for larger polygons, even though they may occur. LoST
> makes no such assumptions, so it is not appropriate to document them
> in the LoST document. Thus, I'm opposed to such a change.
>
> On Jul 4, 2007, at 8:23 PM, Winterbottom, James wrote:
>
> > I have two further comments that I have been mulling over in my
mind.
> >
> > Section 12.2 and 12.3 refer to the geodetic location profiles.
> > I am concerned that after having read these a few times they
> > contradict
> > work that we have done in geopriv. In geopriv we have recommended
that
> > when describing your current location with a polygon that you
restrict
> > the number of vertices to 15 (16 points) to ensure interoperability
> > with
> > other protocols and to reduce the amount of data transmitted. The
> > sections I mention above have clear statements that the 16 point
> > restriction does not apply. While I am happy for the protocol to
> > support
> > more than 16 points, I think that a recommendation that client
> > locations
> > be restricted to now more than 16 points would be useful so that it
is
> > consistent with work being done else where.
> >
> > Please note that this restriction does not apply to service
> > boundaries.
> >
> > Cheers
> > James
> >
>
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