I have forwarded this discussion thread to OGC members who 1.) deal with
location services applications and 2.) deal with alerting applications
driven by sensor networks.
Cheers
Carl
----- Original Message -----
From: "Hannes Tschofenig" <Hannes.Tschofenig@gmx.net>
To: "'Brian Rosen'" <br@brianrosen.net>; "Tschofenig, Hannes (NSN -
FI/Espoo)" <hannes.tschofenig@nsn.com>; <geopriv@ietf.org>
Sent: Monday, August 10, 2009 9:48 AM
Subject: [Geopriv] Clarification regarding Loc-Filters
> The following statement from Brian explains the disconnect between
> Martin/Brian and myself:
>
>>A fundamental thing that you would like to be able to control
>>about location is how fast you get updates. If an entity has
>>a variable rate of speed, and you set a motion filter, you
>>also need to limit the rate. So "send me a notification when
>>the target moves by 30 meters, but don't send more than one
>>update per 10 seconds". So, there is an implied interaction
>>between the movement filter and the rate filter.
>
> We clearly had different requirements in mind. For me the requirement was
> just to provide the "send me a notification when the target moves by 30
> meters" functionality.
>
> I let someone else decide about this aspect (but at least I now understand
> the intention)[*].
>
> Ciao
> Hannes
>
> PS: [*] It is unfortunate that I wasn't at the IETF meeting because I
> would
> have very likely recognized the disconnect between Brian/Martin's view and
> mine much earlier.
>
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