RE: [Ecrit] Hiding (partial) locations

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

I don't understand this.

If, in order to make a route decision, you need street name and house
number, but the access network wishes to hide location from non emergency
use cases, how the heck do we supply "coarse" location that is any different
from full LbyV?

You can't restrict the access network from hiding location ONLY IF the PSAP
boundary is truly coarse.  I'm also not so sure the access networks would be
willing to give out coarse location down to, say, city.

So, I guess I disagree this is a fair trade-off.  In fact, I think it's a
non-starter.

Brian

> -----Original Message-----
> From: Henning Schulzrinne [mailto:hgs at cs.columbia.edu]
> Sent: Monday, April 16, 2007 1:15 PM
> To: Brian Rosen
> Cc: 'ECRIT'
> Subject: Re: [Ecrit] Hiding (partial) locations
> 
> 
> On Apr 16, 2007, at 11:19 AM, Brian Rosen wrote:
> 
> > This doesn't work in areas that don't have simple PSAP boundaries.
> 
> Agreed; it would require more precise location in those
> jurisdictions. Those do seem to be the exception, however.
> 
> >
> > Even in a case where the PSAP serves a city, the boundary of the
> > city is
> > very often not exactly that of the municipal boundary.
> 
> Again, this would only force an ISP to provide more precise location
> information to those relative handful of exception cases. This seems
> like a fair trade-off.
> 
> >
> > It definitely doesn't work in the U.S. where there are PSAP
> > boundaries that
> > are one side or the other of the street (even and odd addresses),
> > or between
> > two house numbers on a street.
> 
> My perception is that PSAP boundaries that don't correspond to
> community or county names occur, but only affect a tiny fraction of
> the population.
> 
> (Street don't matter. Broad Avenue, for example, traverses a half
> dozen communities in northern Bergen County, but each town has its
> own PSAP, whose responsibility is defined by the community, not the
> street.)
> 
> 
> >
> > Brian


_______________________________________________
Ecrit mailing list
Ecrit at ietf.org
https://www1.ietf.org/mailman/listinfo/ecrit