1、 ETSI TR 102 302-1 V4.1.1 (2004-02)Technical Report Telecommunications and Internet ProtocolHarmonization Over Networks (TIPHON) Release 4;Emergency Priority Telecommunications Service (EPTS);Part 1: Requirements analysisETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 2 Reference DTR/TISPAN-02010-1-TIPHON_R
2、4 Keywords emergency, IP, priority call, service, telephony, VoIP ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/8
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6、. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2004. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks
7、currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 3 Contents Intellectual Property Rights4 Foreword.4 1 Scope 5 2 References 5 3
8、Definitions and abbreviations.5 3.1 Definitions5 3.2 Abbreviations .5 4 Background to EPTS6 5 Objectives of the Emergency Priority Telecommunications Service (EPTS)7 5.1 Initial response capabilities 7 5.2 Priority and traffic loading .7 5.3 Multimedia services .8 5.4 Managing EPTS bandwidth8 5.5 Au
9、thorized users.8 5.6 Robustness8 5.7 National and international connectivity9 5.8 Network security 9 5.9 Ubiquity and mobility 9 6 Functional requirements for the Emergency Priority Telecommunications Service9 6.1 Preferential session treatment.10 6.2 Mobility10 6.3 Security 10 6.4 Applications supp
10、orted.10 6.5 Inter-domain EPTS communications10 Annex A: Bibliography11 History 12 ETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs
11、, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are avai
12、lable on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web se
13、rver) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI Technical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN). The present document is part 1 of a multi
14、-part deliverable covering Emergency Priority Telecommunications Service (EPTS), as identified below: TR 102 302-1: “Requirements analysis“; TS 102 302-2: “System Description for EPTS in TIPHON Networks“. ETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 5 1 Scope The present document describes the requiremen
15、ts for emergency telecommunication capabilities sufficient to enable service providers to offer emergency telecommunication services on TIPHON networks that may safely inter-work with existing PSTN services while enabling more advanced services to be subsequently developed. The scope of the present
16、document is limited to the emergency communications between authorities. The present document forms part of TIPHON Release 4 and defines a set of functional requirements, objectives, and considerations for capabilities to support provisioning of Emergency Priority Telecommunications Services (EPTS)
17、in TIPHON networks. 2 References For the purposes of this Technical Report (TR) the following reference applies: 1 ITU-T Recommendation E.106: “International Emergency Preference Scheme for disaster relief operations (IEPS)“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the pr
18、esent document, the following term and definition applies: authorized user: user authorized to access Emergency Telecommunications Services 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: 3GPP 3rdGeneration Partnership Project EPTS Emergency Priority Te
19、lecommunications Service IP Internet Protocol MESA Mobility for Emergency and Safety Applications PSTN Public Switched Telephone Network TETRA TErrestrial Trunk Radio Access TIPHON Telecommunications and Internet Protocol Harmonization Over Networks ETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 6 4 Backgr
20、ound to EPTS Natural and man-made disaster events may occur at any time and in any place, and are by definition unexpected, but not necessarily un-addressed in emergency planning. Immediate response by government officials and emergency response teams to initiate emergency recovery operations is cri
21、tical to saving lives, restoring community infrastructure, and coordinating government and relief operations. A number of telecommunication capabilities are essential to organize and coordinate initiation and deployment of emergency recovery resources. Initial response during the first hours of the
22、disaster must depend upon public telecommunication capabilities that are readily available, in general, except in the most remote areas. Back up and supplemental capabilities can then be deployed, if needed, but valuable time slips by while they are put in place. In areas that have the benefit of an
23、 advanced warning or are identified as a high risk for a potentially serious disaster event, supplemental telecommunications facilities can be planned and put in place early. The requirements analysis provided in the present document addresses specific telecommunications capabilities required to sup
24、port emergency recovery operations during serious disaster events. This suite of capabilities is identified as the Emergency Telecommunications Service (ETS). Three types of communications for emergency situations have been identified by the ETSI EMTEL (EMergency TELecommunications) Ad Hoc Group. Th
25、ese are: Communication of citizens with authorities/organizations in case of distress (emergency call handling). EXAMPLE 1: Access to Police, Fire department or Ambulance services by dialling a service code such as 112 (Europe) or 911 (USA). Communication between authorities/organizations during eme
26、rgencies. EXAMPLE 2: This includes communications between authorized users, and may require preferential treatment on public networks. This may also include the use of private networks of the emergency service. Communications from authorities/organizations to the citizens during emergencies. EXAMPLE
27、 3: Broadcast services (TV and radio) to address the general public. This component of the EPTS is specifically intended to support communications between authorities to organize and coordinate disaster relief efforts using public telecommunications networks. The provisioning of EPTS in evolving net
28、works includes establishing an interface between IP-telephony services and the traditional PSTN to ensure any existing emergency telecommunication capabilities are preserved in the new network environment. Transparent interoperation between both circuit-switched technology and packet-based network t
29、echnology is essential, but the present document does not place any requirements on the existing circuit switched technology, e.g. PSTN/ISDN. The service applications considered for EPTS include, but are not restricted to, speech telephony and enhanced multimedia services, Web access and database in
30、teractions, instant messaging and presence, Email, broadcast video, and telemedicine telemetry and video. EPTS is intended to: be available to authorized users only; be available irrespective of the technology of the supporting network; process emergency traffic in preference to non-emergency traffi
31、c; and provide capability for multiple levels of signalling (if possible) and traffic priority. It is recognized that a variety of telecommunication capabilities may be used to support emergency and disaster relief operations. Examples include: Public services, e.g. PSTN, TIPHON and 3GPP: - Wire tel
32、ephony. - Mobile telephony. - Internet. ETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 7 Land mobile radio: - Trunked Radio Systems, e.g. TETRA. - Satellite communications. - Mobile broadband systems, e.g. MESA. - Amateur Radio. Each of these capabilities has its own features and role in supporting the eme
33、rgency and disaster relief efforts. On the other hand, no single telecommunications technology may fulfil all of the many aspects needed to effectively and comprehensively fulfil disaster relief requirements. The present document specifically addresses requirements for public telecommunication servi
34、ce capabilities to support communications among authorities for emergency and disaster relief operations. On the other hand, consideration also needs to be given to integration and interfacing with other communication capabilities to provide extended and enhanced coverage for emergency communication
35、s for disaster relief operations. 5 Objectives of the Emergency Priority Telecommunications Service (EPTS) This clause provides a narrative description of the EPTS objectives that will provide effective telecommunication capabilities for emergency and disaster relief operations and mitigation. 5.1 I
36、nitial response capabilities Local radio telecommunication capabilities are generally available immediately in populated areas for disaster recovery services such as, fire, rescue, and police activities. In addition, the ubiquitous public telecommunications facilities provide ready, at-hand services
37、 in most geographical areas except the most remote and undeveloped regions. While local mobile radio services have only limited area coverage, the public telecommunication services can immediately provide telephony, wireless, and Internet access to enable disaster relief operations to communicate wi
38、dely. Therefore, the public telecommunications networks can be used for timely initial response actions to organize and coordinate recovery operations. In the new generation of public network capabilities, a richness of telephony and multimedia services can also be leveraged to help expedite and sup
39、port emergency operations. EPTS standards will ensure the most comprehensive, effective, and beneficial services are available through public telecommunication networks. 5.2 Priority and traffic loading The public telecommunication services are often severely stressed during many disaster events. Th
40、e traffic volume from the general public increases dramatically and often the telecommunications infrastructure experiences extensive damage. The network becomes so congested that neither emergency nor general public traffic can be handled. Under these extreme conditions, local recovery operations a
41、nd a number of local and national government activities need preferential access to the public telecommunication services. In addition, specifically authorized emergency traffic should be clearly identified and afforded a high probability of success through preferential processing and routing to the
42、 designated destination. The EPTS may be considered a “virtual private network“ that expands during an emergency operation to accommodate the immediate demands for communications by the recovery personnel. When the bandwidth becomes limited to the point that both emergency and general public traffic
43、 cannot be fully accommodated, non-emergency public traffic may be limited through denial of service. Some networks may also pre-empt public traffic on an optional basis, if and where allowed, to free up resources to support the EPTS traffic. ETSI ETSI TR 102 302-1 V4.1.1 (2004-02) 8 5.3 Multimedia
44、services Many different applications need to be supported by the EPTS capabilities in public networks. In addition to the traditional telephony medium-band voice service, a rich menu of multimedia services can be leveraged. These services support wide-band video applications, medium-band audio and d
45、ata applications, and narrowband messaging and telemetry applications. The ability to select appropriate communication applications will enhance fulfilment of specific operational requirements and provide extensive flexibility in coordinating ongoing disaster relief operations. 5.4 Managing EPTS ban
46、dwidth Under even more severe congestion EPTS communications may experience a degradation of service when the bandwidth cannot accommodate the full demand for emergency traffic. However, the service should be allowed to continue because it is better for emergency communications to proceed even when
47、users experience degraded quality. With the variety of different services having different bandwidth demands, there should also be a means of managing the use of limited bandwidth to support emergency operations. Three traffic classes can be considered for bandwidth management purposes: 1) narrow-ba
48、nd; 2) medium-band, and 3) broadband. When the available resources do not accommodate all the demands, certain types of traffic could be terminated by the service provider in coordination with the disaster relief authority to enable additional bandwidth for more critical traffic while maintaining an
49、 acceptable quality of service. For example, the broadband video broadcasts from the disaster site could be terminated in favour of less demanding command and control traffic. 5.5 Authorized users The Emergency Priority Telecommunications Service (EPTS) is intended to be available only for selected authorized users who could potentially be involved in recovery operations and government emergency support activities. Authorized EPTS users would be designated by an appropriate authority and could include fire and rescue resources, police, medical support, electr
