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Subject: FYI: Work of the IETF as related to Emergency Services and Location Payloads on the Internet

A couple of weeks ago I took the action to provide some background information on the work of the Internet Engineering Task Force (IETF) and the Geopriv Working Group that may be relevant to the work of the EM TC. While the stated charter of this WG has to do with location and privacy (stating privacy rules in which a location payload can be embedded, the actual scope has gone way beyond this to address the general issue of expressing location in a number of existing internet standards, such as SIP, PIDF, DHCP, and RADIUS.
At the upcoming meetings of the 62nd meeting of the IETF, the following documents will be discussed:
   a) draft-rosen-nena-geopriv-requirements (10 min)
   b) draft-winterbottom-geopriv-pdif-lo-profile (10 min)
   c) draft-winterbottom-http-location-delivery (10 min)
   d) draft-guenther-geopriv-saml-policy (10 min)
   e) draft-thomson-domain-auth (10 min)
There are also several other documents of relevance:
   a.) draft-ietf-geopriv-dhcp-civil-05: This document has gone into the formal process of adoption. Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information. Use cases are emergency response driven.
   b.) draft-ietf-geopriv-pidf-lo-03: This document has gone into the formal process of adoption as an internet standard. Defines a Presence-based GEOPRIV Location Object Format. Uses OGC GML 3.1. PIDF is the Presence Information Data Format.
   c. draft-ietf-geopriv-radius-lo-02.txt: Carrying Location Objects in RADIUS. This document has gone into the formal process of adoption as an internet standard.
   d.) Internet RFC 3825: Dynamic Host Configuration Protocol Option for Coordinate-based Location Configuration Information
The URL to the Geopriv WG site is http://www.ietf.org/html.charters/geopriv-charter.html . Some of the documents can be accessed from that location.
Many of these existing and emerging Internet standards will specify how location (like addresses) will be expressed as part of the internet infrastructure and potentially how a CAP message is actually populated - such as an E-911 call goes to a PSAP about a gas leak which results in a CAP message being broadcast to responders.
Carl Reed, PhD
CTO and Executive Director Specification Program

The OGC: Helping the World to Communicate Geographically
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