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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
OGC
The OGC: Helping the World to Communicate Geographically
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