ETSI EG 284 004-2007 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) Incorporating Universal Communications Identifier (UCI) suppo_1.pdf

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1、 ETSI EG 284 004 V1.1.2 (2007-09)ETSI Guide Telecommunications and Internet converged Services andProtocols for Advanced Networking (TISPAN);Incorporating Universal Communications Identifier (UCI)support into the specification ofNext Generation Networks (NGN)ETSI ETSI EG 284 004 V1.1.2 (2007-09) 2 R

2、eference DEG/TISPAN-04004-UCI Keywords security, SIP, UCI 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 7803/88 Import

3、ant notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the

4、Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Inform

5、ation on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No par

6、t may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2007. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefi

7、t of its Members. TIPHONTMand the TIPHON logo are Trade Marks 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 EG 284 004 V1.1.2 (2007-09) 3 Contents Intellec

8、tual Property Rights5 Foreword.5 Introduction 5 1 Scope 6 2 References 6 3 Definitions and abbreviations.7 3.1 Definitions7 3.2 Abbreviations .8 4 Summary of UCI in NGN analysis.8 5 UCI review and TISPAN capabilities 11 5.1 UCI review .11 5.1.1 UCI Rationale .11 5.1.2 Identity and identifier hierarc

9、hy12 5.1.3 UCI architecture13 5.1.4 UCI construction.15 5.1.4.1 The UCI-numeric 16 5.1.4.1.1 Stability requirement for the numeric element of the UCI 16 5.1.4.2 The UCI-label .16 5.1.4.2.1 Function of the UCI-label16 5.1.4.3 UCI-AdditionalData17 5.1.5 UCI Use Cases18 5.1.5.1 Use case: register 19 5.

10、1.5.2 Use case: Communicate 19 5.1.5.2.1 Communication scenario 1: non-UCI user to non-UCI user .19 5.1.5.2.2 Communication scenario 2: non-UCI user to UCI user.19 5.1.5.2.3 Communication scenario 3: UCI user to non-UCI user.20 5.1.5.2.4 Communication scenario 4: UCI user to UCI user 20 5.1.5.3 Use

11、cases: Resolve UCI to PUA, Resolve Service to SA .20 5.1.6 UCI related operational roles22 6 UCI incorporation to TISPAN NGN architecture23 6.1 Overview of the UCI functional architecture .23 6.2 Mapping UCI and TISPAN NGN functional architectures 24 6.2.1 Personal User Agent .24 6.2.1.1 Functional

12、decomposition of the PUA 24 6.2.1.2 Use case: Register .25 6.2.1.3 Use case: Process rules26 6.2.1.4 Use case: Communicate 26 6.2.1.5 All use cases26 6.2.2 Service Agent26 6.3 Mapping UCI and NGN functional entities and reference points.27 6.4 Summary 28 7 UCI incorporation to TISPAN NGN protocol su

13、ite.29 7.1 Handling of the UCI in communication sessions .29 7.1.1 Generic issues related to the handling of a UCI29 7.1.1.1 Delivery of the UCI-label30 8 UCI incorporation to TISPAN NGN NNA suite31 8.1 Numbering31 8.1.1 Use of ENUM/DNS in UCI 31 9 Security analysis of UCI in NGN.32 9.1 Overview of

14、assets, vulnerabilities and risk .32 ETSI ETSI EG 284 004 V1.1.2 (2007-09) 4 9.2 Objectives.33 9.3 Review of security requirements from TS 187 001 v1.1.1.33 10 Regulatory aspects as they apply to UCI35 10.1 Access Directive.35 10.2 Authorization Directive35 10.3 Directive on privacy and electronic c

15、ommunications.35 10.4 Universal Service Directive35 10.4.1 Number portability35 10.4.2 Directory Enquiry .35 11 Recommendations for TISPAN NGN36 11.1 UCI in the context of other developing standards work .36 11.2 Recommendations 36 11.2.1 UCI NAPTR record type 36 11.2.2 User = UCI36 11.2.3 Format of

16、 UCI-numeric 36 11.2.4 Optimization of AS function for UCI .36 11.2.5 SIP best practice .36 Annex A (normative): Mapping of UCI to Session Initiation Protocol (SIP) .37 A.1 Overview 37 A.2 Information element mapping 39 A.3 Architecture mapping.41 A.4 Protocol mapping .42 A.5 Conclusion45 Annex B (n

17、ormative): Mapping of UCI to NGN Presence Service46 B.1 Overview 46 B.2 Requirements mapping (from TS 122 141)46 B.3 Architecture mapping (from TS 123 141)47 B.4 Protocol mapping .49 Annex C (informative): Liberty Alliance Project Identity Federation Framework (ID-FF)50 C.1 Overview 50 C.2 Liberty A

18、lliance ID-FF 1.2 Specifications .52 C.3 Liberty Alliance in a UCI context 53 Annex D (informative): Rationale for proposed UCI design options.54 D.1 Rationale for the design decisions behind the UCI-label .54 D.2 Why UCI information should be delivered by the UCI users own PUA.55 D.3 The benefits o

19、f a single identifier associated with tight control of incoming communications .55 Annex E (informative): Bibliography.56 E.1 Liberty Alliance Project .56 E.2 ETSI UCI documents .56 E.3 IETF documents .56 E.4 Miscellaneous documents.56 History 58 ETSI ETSI EG 284 004 V1.1.2 (2007-09) 5 Intellectual

20、Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs

21、); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR search

22、es, 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 server) which are, or may be, or may become, essential to the present document. Foreword This ETSI Guide (EG) has been produced by ETSI Tech

23、nical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN). Introduction UCI has been developed over a number of years within ETSI. When development of UCI was started it began as a means to counter the problems that users perceive when their ph

24、one number, email addresses and other electronic identifiers change over time. A single global identifier for the user was conceived but with a view to reflect a desire on behalf of users to manage the ever-richening capabilities of their electronic communications world. As such UCI has evolved to s

25、erve as a model for user-control of a rich and diversified communications network. One of the early keys in the UCI development was to model a separation of the user controlled parts of the communication from the nitty-gritty network and services of a communication network. In this way was conceived

26、 a “Personal User Agent“ (PUA) that acted on behalf of the user within the communications network to manage communications based on user controlled preferences. The PUA would be in a position to police inbound communication and direct it to the device or media selected by the user based on user defi

27、ned criteria. The actual communication was then conceived to be handed off to a “System Agent“ or “Service Agent“ that actually dealt with the detail of network and protocols to serve the users preferences. Within the NGN as defined in ETSI TISPAN the time is now ripe to introduce UCI. There are a n

28、umber of design decisions made for the NGN that ease the adoption significantly. Foremost of these is that the NGN is IP based and therefore can build upon the set of technologies familiar from “The Internet“ including future web-based-services. The use of SIP and SDP as key protocols in the NGN als

29、o aid greatly in facilitating wide sets of media rich services with a common protocol set. The abstract nature of the IP protocol suite and the use of its key resolution protocols (DNS and ENUM) serve to allow many of the retained identity features key to UCI. ETSI ETSI EG 284 004 V1.1.2 (2007-09) 6

30、 1 Scope The present document identifies approaches to incorporating UCI capabilities as defined in EG 202 067 2 and EG 203 072 3 into ETSIs TISPAN NGN. The present document provides a review and assessment as to what extent existing standards, specifications and guidelines support elements of a UCI

31、 implementation and how, if necessary, they should be adapted in order to more fully support complete UCI implementation. The analysis presented is not restricted to only those standards and specifications developed in TISPAN but also covers the work of other bodies (whose work is already being inco

32、rporated to the NGN): a review of the work done by Liberty Alliance in this area is provided in annex C; a review of the existing TISPAN NGN capabilities to provide a UCI presence service is provided in annex B; and a review of SIP capabilities in this area is provided in annex A. An outline abstrac

33、t model of UCI showing use-cases, architecture and information flows is given in clause 5 and an analysis of how existing NGN protocols and capabilities support them is given in clause 6. The abstract model shows how the UCI elements are carried and how they may be presented across the NGN. The pres

34、ent document provides, in clause 11, a model showing how UCI exists in the context of other developing standards work at ETSI and how they fit to the existing NGN model. 2 References The following documents contain provisions, which, through reference in this text, constitute provisions of the prese

35、nt document. References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. Referenced documents which are not found to

36、be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 1 ETSI EG 201 940: “Human Factors (HF); User Identification solut

37、ions in converging networks“. 2 ETSI EG 202 067: “Universal Communications Identifier (UCI); System framework“. 3 ETSI EG 203 072: “Universal Communications Identifier (UCI); Results of a detailed study into the technical areas for identification harmonization; Recommendations on the UCI for NGN“. 4

38、 ETSI TS 187 001: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN SECurity (SEC); Requirements“. 5 IETF RFC 3261: “SIP: Session Initiation Protocol“. 6 Void. 7 ETSI ES 282 007: “Telecommunications and Internet converged Services and Protocols f

39、or Advanced Networking (TISPAN); IP Multimedia Subsystem (IMS); Functional architecture“. 8 ETSI TS 183 008: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); PSTN/ISDN simulation services; Terminating Identification Presentation (TIP) and Terminatin

40、g Identification Restriction (TIR); Protocol specifications“. ETSI ETSI EG 284 004 V1.1.2 (2007-09) 7 9 ITU-T Recommendation E.164: “The international public telecommunication numbering plan“. 10 Directive 2002/19/EC of the European Parliament and of the Council of 7 March 2002 on access to, and int

41、erconnection of, electronic communications networks and associated facilities (Access Directive - OJ L 108, 24.04.2002). 11 Directive 2002/20/EC of the European Parliament and of the Council of 7 March 2002 on the authorisation of electronic communications networks and services (Authorisation Direct

42、ive - OJ L 108, 24.04.2002). 12 Directive 2002/21/EC of the European Parliament and of the Council of 7 March 2002 on a common regulatory framework for electronic communications networks and services (Framework Directive - OJ L 108, 24.04.2002). 13 Directive 2002/22/EC of the European Parliament and

43、 of the Council of 7 March 2002 on Universal service and users rights relating to electronic communications networks and services (Universal Service Directive - OJ L 108, 24.04.2002). 14 Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of p

44、ersonal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications - OJ L 201, 31.07.2002). 15 Void. 16 ETSI TR 187 002: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); TISPAN NGN

45、Security (NGN-SEC); Threat and Risk Analysis“. 17 IETF RFC 2778: “A Model for Presence and Instant Messaging“. 18 ETSI TS 122 141: “Universal Mobile Telecommunications System (UMTS); Presence service; Stage 1 (3GPP TS 22.141 version 7.0.0 Release 7)“. 19 ETSI TS 123 141: “Universal Mobile Telecommun

46、ications System (UMTS); Presence service; Architecture and functional description; Stage 2 (3GPP TS 23.141 version 7.2.0 Release 7)“. 20 ETSI ES 282 001: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Functional Architecture Release 1“. 21 ETS

47、I TS 184 002: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Identifiers (IDs) for NGN“. 22 IETF RFC 2327: “SDP: Session Description Protocol“. 23 Directive 97/66/EC of the European Parliament and of the Council of 15 December 1997 concerning the

48、processing of personal data and the protection of privacy in the telecommunications sector (Data Protection Directive - OJ L 24, 30.01.1998). 24 IETF RFC 3856: “A Presence Event Package for the Session Initiation Protocol (SIP)“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of th

49、e present document, the terms and definitions given in EG 203 072 3 and TR 180 000 apply. ETSI ETSI EG 284 004 V1.1.2 (2007-09) 8 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AoR Address of Record AS Application Service ASF Application Server Function BGCF Border Gateway Control Function CLIP Calling Line Identification Presentation CLIR Calling Line Identification Restriction COLP Connected Line Identification Presentation CSCF Call Session Control Function

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