Synchronizing Service Boundaries and <mapping> Elements Based on the Location-to-Service Translation (LoST) Protocol
RFC 6739
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RFC - Experimental
(October 2012; Errata)
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2015-10-14
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draft-schulzrinne-ecrit-lost-sync
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RFC 6739 (Experimental)
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Robert Sparks
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Internet Engineering Task Force (IETF) H. Schulzrinne
Request for Comments: 6739 Columbia University
Category: Experimental H. Tschofenig
ISSN: 2070-1721 Nokia Siemens Networks
October 2012
Synchronizing Service Boundaries and <mapping> Elements Based on the
Location-to-Service Translation (LoST) Protocol
Abstract
The Location-to-Service Translation (LoST) protocol is an XML-based
protocol for mapping service identifiers and geodetic or civic
location information to service URIs and service boundaries. In
particular, it can be used to determine the location-appropriate
Public Safety Answering Point (PSAP) for emergency services.
The <mapping> element in the LoST protocol specification encapsulates
information about service boundaries and circumscribes the region
within which all locations map to the same service Uniform Resource
Identifier (URI) or set of URIs for a given service.
This document defines an XML protocol to exchange these mappings
between two nodes. This mechanism is designed for the exchange of
authoritative <mapping> elements between two entities. Exchanging
cached <mapping> elements, i.e., non-authoritative elements, is
possible but not envisioned. Even though the <mapping> element
format is reused from the LoST specification, the mechanism in this
document can be used without the LoST protocol.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for examination, experimental implementation, and
evaluation.
This document defines an Experimental Protocol for the Internet
community. 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). Not
all documents approved by the IESG are a candidate for any level of
Internet Standard; see 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/rfc6739.
Schulzrinne & Tschofenig Experimental [Page 1]
RFC 6739 LoST Sync October 2012
Copyright Notice
Copyright (c) 2012 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.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. A Motivating Example . . . . . . . . . . . . . . . . . . . . . 4
4. Querying for Mappings with a
<getMappingsRequest>/<getMappingsResponse> Exchange . . . . . 9
4.1. Behavior of the LoST Sync Destination . . . . . . . . . . 9
4.2. Behavior of the LoST Sync Source . . . . . . . . . . . . . 10
4.3. Examples . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Pushing Mappings via <pushMappings> and
<pushMappingsResponse> . . . . . . . . . . . . . . . . . . . . 12
5.1. Behavior of the LoST Sync Source . . . . . . . . . . . . . 12
5.2. Behavior of the LoST Sync Destination . . . . . . . . . . 13
5.3. Example . . . . . . . . . . . . . . . . . . . . . . . . . 14
6. Transport . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7. RELAX NG . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8. Operational Considerations . . . . . . . . . . . . . . . . . . 19
9. Security Considerations . . . . . . . . . . . . . . . . . . . 20
10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 21
10.1. Media Type Registration . . . . . . . . . . . . . . . . . 21
10.2. LoST Sync RELAX NG Schema Registration . . . . . . . . . . 22
10.3. LoST Synchronization Namespace Registration . . . . . . . 22
11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 23
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