ATIS 0500017-2009 Considerations for an Emergency Services Next Generation Network (ES-NGN).pdf
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1、 TECHNICAL REPORT ATIS-0500017 Considerations for an Emergency Services Next Generation Network (ES-NGN) ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communic
2、ations industry. More than 250 companies actively formulate standards in ATIS 20 Committees, covering issues including: IPTV, Service Oriented Networks, Home Networking, Energy Efficiency, IP-Based and Wireless Technologies, Quality of Service, Billing and Operational Support. In addition, numerous
3、Incubators, Focus and Exploratory Groups address emerging industry priorities including “Green”, IP Downloadable Security, Next Generation Carrier Interconnect, IPv6 and Convergence. ATIS is the North American Organizational Partner for the 3rd Generation Partnership Project (3GPP), a member and maj
4、or U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications Sectors, and a member of the Inter-American Telecommunication Commission (CITEL). For more information, please visit . Notice of Disclaimer IMS Emergency Sessions (Release 7.11), December 2008.12 3GPP
5、 TR23.868, 3GPP Technical Specification Group Services and System Aspects; IMS Emergency Sessions (Release 9.0), December 2008.13 ATIS-1000018, NGN Architecture, February 2007.24 ATIS Next Generation Network (NGN) Framework, Part I: NGN Definitions, Requirements and Architecture, November 2004.25 AT
6、IS Next Generation (NGN) Framework Part II: NGN Roadmap 2005, August 2005.26 ATIS Next Generation (NGN) Framework Part III: Standards Gap Analysis, May 2006.27 Framework for Emergency Calling using Internet Multimedia, IETF, draft-ietf-ecrit-framework-06, July 2008.38 LoST: A Location-to-Service Tra
7、nslation Protocol, RFC 5222, IETF, August 2008.39 A Presence-based GEOPRIV Location Object Format, RFC 4119, IETF, December 2005.310 Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO), RFC 5139, February 2008.311 NENA 08-001, Interim VoIP Architecture for En
8、hanced 9-1-1 Services (i2), December 6, 2005.412 NENA 08-505, Recommended Methods for Location Determination to Support IP-Based Emergency Services, December 21, 2006.413 NENA 08-751, Technical Requirements Document i3 (Long Term Definition), September 28, 2006.414 NENA 08-002, NENA Functional and I
9、nterface Standards for Next Generation 9-1-1, NENA, December 18, 2007.415 NENA 08-xxx, Detailed Functional and Interface Standards for Next Generation 9-1-1 Version 1.0 (i3), To be published.416 3GPP2 X.P0049-000-01, All-IP Emergency Services, 3GPP2, December 2006.517 Security Threats and Requiremen
10、ts for Emergency Call Marking and Mapping, RFC 5069, IETF, January 2008.318 HTTP Enabled Location Delivery (HELD), IETF, September 8, 2008.319 ATIS-1000009.2006, IP Network-to-Network Interface (NNI) Standard for VoIP, May 2006.220 ATIS-1000026.2008, Session/Border Control Functions and Requirements
11、, April 2008.221 ATIS-1000025.2008, US Standard for Signaling Security UNI Access and Signaling Standard, March 2008.222 Location Conveyance for the Session Initiation Protocol, IETF, November 19, 2008.323 Best Current Practice for Communications Services in support of Emergency Calling, IETF, Novem
12、ber 3, 2008.324 Requirements from SIP (Session Initiation Protocol) Session Border Control Deployments, IETF, October 23, 2008.325 ETSI ES 282 004, Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Functional Architecture; Network Attachment Sub-S
13、ystem (NASS).61This document is available from the Third Generation Partnership Project (3GPP) via http:/www.3gpp.org 2This document is available from the Alliance for Telecommunications Industry Solutions (ATIS) via https:/www.atis.org/docstore 3This document is available from the Internet Engineer
14、ing Task Force (IETF) via http:/www.ietf.org 4This document is available from the National Emergency Number Association (NENA) via http:/www.nena.org 5This document is available from the Third Generation Partnership Project 2 (3GPP2) via http:/www.3gpp2.org 6This document is available from the Europ
15、ean Telecommunications Standards Institute via http:/www.etsi.org ATIS-0500017 4 3 DEFINITIONS, ACRONYMS, or any combination of those. Emergency Services IP network (ESInet) - NENA i3 introduces the concept of an Emergency Services IP network (ESInet), which is designed as an IP-based inter-network
16、(network of networks) shared by all agencies which may be involved in any emergency. Location Information Server (LIS) (3GPP uses the term Location Server) - - (per NENA): A Location Information Server (LIS) is a functional entity that provides locations of endpoints. A LIS can provide Location-by-R
17、eference, or Location-by-Value, and, if the latter, in geo or civic forms. A LIS can be queried by an endpoint for its own location, or by another entity for the location of an endpoint. In either case, the LIS receives a unique identifier that represents the endpoint, for example an IP address, cir
18、cuit-ID or MAC address, and returns the location (value or reference) associated with that identifier. The LIS is also the entity that provides the dereferencing service, exchanging a location reference for a location value. - (per 3GPP): The 3GPP version of a LIS is called a Location Server (e.g.,
19、GMLC). Location Retrieval Function (LRF): This functional entity handles the retrieval of location information for the UE including, where required, interim location information, initial location information and updated location information. The LRF may interact with a separate RDF or contain an int
20、egrated RDF in order to obtain routing information. The LRF may interact with a separate GMLC or contain an integrated GMLC in order to obtain location information. The LRF may interact with or contain other types of location server functions in order to obtain location information. Routing Determin
21、ation Function (RDF): The functional entity, which may be integrated in a Location Server (e.g. GMLC) or in an LRF, provides the proper PSAP destination address to the E CSCF for routing the emergency request. It can interact with a location functional entity (e.g. GMLC) to manage ESQK allocation an
22、d management, and deliver location information to the PSAP. - (Per IETF): A Location Information Server stores location information for retrieval by an authorized entity. Location Object (LO) The LO is the physical location of the emergency caller that may be used for routing decisions and is delive
23、red to the IP PSAP with the call. It may be expressed in civic ATIS-0500017 5 or geodetic formats and is represented as the Presence Identifier Data Format Location Object (PIDF-LO) and defined in 9. Location Reference The Location Reference may be passed in the SIP signaling as a location key and u
24、sed to acquire (dereference) the Location Object. Public Safety Answering Point (PSAP) PSAP is used generically in this Technical Report to mean the entity that receives the emergency call for the purpose of managing an incident. The PSAP consists of a collection of equipment, procedures and resourc
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