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A Uniform Resource Identifier for Geographic Locations ('geo' URI)
RFC 5870

Document type: RFC - Proposed Standard (June 2010; No errata)
Document stream: IETF
Last updated: 2013-03-02
Other versions: plain text, pdf, html

IETF State: (None)
Consensus: Unknown
Document shepherd: No shepherd assigned

IESG State: RFC 5870 (Proposed Standard)
Responsible AD: Robert Sparks
Send notices to: geopriv-chairs@tools.ietf.org, draft-ietf-geopriv-geo-uri@tools.ietf.org

Internet Engineering Task Force (IETF)                      A. Mayrhofer
Request for Comments: 5870                                         IPCom
Category: Standards Track                                    C. Spanring
ISSN: 2070-1721                                                June 2010

   A Uniform Resource Identifier for Geographic Locations ('geo' URI)

Abstract

   This document specifies a Uniform Resource Identifier (URI) for
   geographic locations using the 'geo' scheme name.  A 'geo' URI
   identifies a physical location in a two- or three-dimensional
   coordinate reference system in a compact, simple, human-readable, and
   protocol-independent way.  The default coordinate reference system
   used is the World Geodetic System 1984 (WGS-84).

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc5870.

Mayrhofer & Spanring         Standards Track                    [Page 1]
RFC 5870                    'geo' URI Scheme                   June 2010

Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Mayrhofer & Spanring         Standards Track                    [Page 2]
RFC 5870                    'geo' URI Scheme                   June 2010

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   3.  IANA Registration of the 'geo' URI Scheme  . . . . . . . . . .  6
     3.1.  URI Scheme Name  . . . . . . . . . . . . . . . . . . . . .  6
     3.2.  Status . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     3.3.  URI Scheme Syntax  . . . . . . . . . . . . . . . . . . . .  6
     3.4.  URI Scheme Semantics . . . . . . . . . . . . . . . . . . .  7
       3.4.1.  Coordinate Reference System Identification . . . . . .  7
       3.4.2.  Component Description for WGS-84 . . . . . . . . . . .  8
       3.4.3.  Location Uncertainty . . . . . . . . . . . . . . . . .  8
       3.4.4.  URI Comparison . . . . . . . . . . . . . . . . . . . .  9
       3.4.5.  Interpretation of Undefined Altitude . . . . . . . . . 10
     3.5.  Encoding Considerations  . . . . . . . . . . . . . . . . . 10
     3.6.  Applications/Protocols That Use This URI Scheme  . . . . . 11
     3.7.  Interoperability Considerations  . . . . . . . . . . . . . 11
     3.8.  Security Considerations  . . . . . . . . . . . . . . . . . 11
     3.9.  Contact  . . . . . . . . . . . . . . . . . . . . . . . . . 11
     3.10. Author/Change Controller . . . . . . . . . . . . . . . . . 12
     3.11. References . . . . . . . . . . . . . . . . . . . . . . . . 12
   4.  'geo' URI Parameters Registry  . . . . . . . . . . . . . . . . 12
   5.  URI Operations . . . . . . . . . . . . . . . . . . . . . . . . 13
   6.  Use Cases and Examples . . . . . . . . . . . . . . . . . . . . 13
     6.1.  Plain 'geo' URI Example  . . . . . . . . . . . . . . . . . 13

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