RFC 6444 on Location Hiding: Problem Statement and Requirements

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        RFC 6444

        Title:      Location Hiding: Problem Statement and 
                    Requirements 
        Author:     H. Schulzrinne, L. Liess,
                    H. Tschofenig, B. Stark,
                    A. Kuett
        Status:     Informational
        Stream:     IETF
        Date:       January 2012
        Mailbox:    hgs+ecrit@cs.columbia.edu, 
                    L.Liess@telekom.de, 
                    Hannes.Tschofenig@gmx.net,
                    barbara.stark@att.com, 
                    andres.kytt@skype.net
        Pages:      9
        Characters: 18495
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-ecrit-location-hiding-req-04.txt

        URL:        http://www.rfc-editor.org/rfc/rfc6444.txt

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 endpoints or Voice over IP (VoIP) service
providers in order to determine the correct dial string and
information to route the call to a Public Safety Answering Point
(PSAP).  To determine the PSAP Uniform Resource Identifier (URI), the
usage of the Location-to-Service Translation (LoST) protocol is
envisioned.

This document provides a problem statement and lists requirements 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 is not an Internet Standards 
Track specification; it is published for informational purposes.

This document is a product of the Emergency Context Resolution with Internet Technologies Working Group of the IETF.

INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
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