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Subject: RE: A bit more on the IETF, DHCP, and EDXL

All -
Not sure if this is useful, but I think this may be useful WRT discussion on EDXL etc.
Just so you all know, there has been a recent (large) discussion on address for use in various Internet draft standards. The issue arose as part of the dialogue in moving a geo-enhanced DHCP protocol standard forward. Address (civic) is a key component of this draft internet standard. The work is being driven by the requirements of the location services and emergency response domains. The URL to one of the relevant documents is: http://www.ietf.org/internet-drafts/draft-ietf-geopriv-dhcp-civil-05.txt
The title is: Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information draft-ietf-geopriv-dhcp-civil-05.
The other document (the actual RFC) is located at http://www.ietf.org/rfc/rfc3825.txt . I provided guidance on the use of CRS and location. They did not want to use GML as XML is way to "expressive" for the number of bits available expressing location in a DHCP packet. However, the way the location is expressed is easily mapped into GML, EDXL or a CAP message once the packet is delivered to to its end point, such as a PSAP and then must be relayed onto responders, news organizations, and so forth.
Carl Reed, PhD
CTO and Executive Director Specification Program

The OGC: Helping the World to Communicate Geographically
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