For some time now, I've been frustrated with our inability to get on the
same page on these issues.
I also wanted to get some kind of effort started on cross OS APIs to the
LCPs.
Brian
On 3/17/10 6:05 PM, "Richard Barnes" <rbarnes@bbn.com> wrote:
> Hey all,
>
> This email is announcing a Bar BoF at the upcoming IETF meeting on the
> topic of "location coherence", to be held somewhere in the vicinity of
> the GEOPRIV meeting, probably during the lunch break on Wednesday, 24
> March. Since the topic is a little peripheral to GEOPRIV, I've also
> set up a Google Group for discussions here:
> <http://groups.google.com/group/geo-loco>
>
> What I mean by "coherence" is this:
>
> In order for location-based Internet applications to work, there are
> several pieces that need to work together, including
> -- Positioning sevices
> -- Location protocols
> -- Location APIs-- Application protocols that use location
> Right now, there are many different implementations out there for each
> layer in this stack, each with its own set of semantics for location
> related concepts -- not just the location that can be expressed (e.g.,
> lat/long/accuracy vs. polygons), but also ancillary ideas like types
> of location (civic vs geodetic) and supporting information like signal
> measurements.
>
> In the spirit of allowing different organizations to add value at
> different levels of this stack, while still maintaining
> interoperability, it would seem like a good idea to have a coherent
> set of semantics for location concepts -- a common data model, if not
> common protocols and APIs.
>
> Topics for discussion could include:
> -- How can we map out the space of things that exist today?
> -- What sorts of location systems would this effort try to encompass?
> Protocols and/or APIs? Positioning and/or conveyance?
> -- What's the proper venue for this work? GEOPRIV? A new IETF WG?
> Somewhere else?
>
> As an example of the sort of thing that might come out of this work, a
> colleague and I put together a partial draft looking at mappings
> between different location protocols:
> <http://tools.ietf.org/html/draft-doran-geopriv-proto-map-01>
>
> Thanks for taking the time to read through this, and I look forward to
> some useful discussions next week.
>
> Best,
> --Richard
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