Location Hiding: Problem Statement and Requirements

Document Type Replaced Internet-Draft (individual)
Authors Henning Schulzrinne  , Laura Liess  , Hannes Tschofenig  , Barbara Stark  , Andres Kuett 
Last updated 2011-01-10 (latest revision 2008-03-29)
Replaced by RFC 6444
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Intended RFC status (None)
Expired & archived
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IESG IESG state Replaced by draft-ietf-ecrit-location-hiding-req
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The emergency services architecture developed in the IETF Emergency Context Resolution with Internet Technology (ECRIT) working group describes an architecture where location information is provided by access networks to end points in order to determine the correct dial string and information to route the call to a Public Safety Answering Point (PSAP). For determining the PSAP Uniform Resource Identifier (URI) the usage of the Location-to-Service Translation (LoST) Protocol is envisioned. This document explores the architectural impact for the IETF emergency services architecture for situations where the Internet Access Provider (IAP) and/or the Internet Service Provider (ISP) are only willing to disclose limited or no location information. This document provides a problem statement and lists requirements.


Henning Schulzrinne (hgs+ecrit@cs.columbia.edu)
Laura Liess (Laura.Liess@t-systems.com)
Hannes Tschofenig (Hannes.Tschofenig@gmx.net)
Barbara Stark (barbara.stark@att.com)
Andres Kuett (andres.kytt@skype.net)

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