A Location Dereferencing Protocol Using HELD

Document Type Replaced Internet-Draft (individual)
Last updated 2010-07-26 (latest revision 2010-01-27)
Replaced by RFC 6753
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes how to use the Hypertext Transfer Protocol (HTTP) over Transport Layer Security (TLS) as a dereferencing protocol to resolve a reference to a Presence Information Data Format Location Object (PIDF-LO). The document assumes that a Location Recipient possesses a secure HELD URI that can be used in conjunction with the HELD protocol to request the location of the Target.


James Winterbottom (james.winterbottom@andrew.com)
Hannes Tschofenig (Hannes.Tschofenig@gmx.net)
Henning Schulzrinne (hgs@cs.columbia.edu)
Martin Thomson (martin.thomson@andrew.com)
Martin Dawson (martin.dawson@andrew.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)