RE: [Geopriv] Geopriv L7 LCP: New Requirement

From: Brian Rosen ^lt;br@brianrosen.net>
Date: Wed Feb 14 2007 - 23:17:02 EST

There are systems available that significantly limit how much you can move
the CM and not be discovered. Not all cable operators have such systems.

Brian

> -----Original Message-----
> From: Thomson, Martin [mailto:Martin.Thomson@andrew.com]
> Sent: Wednesday, February 14, 2007 4:41 PM
> To: Brian Rosen; Otmar Lendl; Andrew Newton
> Cc: geopriv@ietf.org; Stark, Barbara; hgs@cs.columbia.edu
> Subject: RE: [Geopriv] Geopriv L7 LCP: New Requirement
>
> > Well, nothing is foolproof. The Cable Modem guys are stuck with using
> MAC
> > address of the cablemodem, but it is possible on some systems to take
> your
> > CM to your friends house and plug it in. As long as (in most systems)
> you
> > are in the same CMTS area, it will not know that you moved it.
>
> Actually, since a ranging measurement is performed by the cable modem,
> location could be determined by having a map of the cable. That's
> probably not all that feasible, but it IS possible.
>
> MT
>
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Received on Wed, 14 Feb 2007 23:17:02 -0500

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