ANSI ATIS 1000035-2009 Next Generation Network (NGN) Identity Management (IdM) Framework.pdf

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1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-1000035.2009(R2014) Next Generation Network (NGN) Identify Management (IdM) Framework As a leading technology and solutions development organization, ATIS brings together the top global ICT companies to advance the industrys most-pressing busin

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16、asp to determine if any statement has been filed by a patent holder indicating a willingness to grant a license either without compensation or on reasonable and non-discriminatory terms and conditions to applicants desiring to obtain a license. ATIS-1000035.2009(R2014), Next Generation Network (NGN)

17、 Identity Management (IdM) Framework Is an American National Standard developed by the Cybersecurity (CSEC) Subcommittee under the ATIS Packet Technologies and Systems Committee (PTSC). Published by Alliance for Telecommunications Industry Solutions 1200 G Street, NW, Suite 500 Washington, DC 20005

18、Copyright 2014 by Alliance for Telecommunications Industry Solutions All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. For information contact ATIS at 202.628.6380. AT

19、IS is online at . ATIS-1000035.2009 American National Standard for Telecommunications NEXT GENERATION NETWORK (NGN) IDENTITY MANAGEMENT (IDM) FRAMEWORK Alliance for Telecommunications Industry Solutions Approved May 5, 2009 American National Standards Institute, Inc. Abstract This standard provides

20、a framework for Identity Management (IdM) in NGN. The primary purpose of this framework is to describe a structured approach for designing, defining, and implementing IdM solutions and facilitate interoperability in heterogeneous environment. ATIS-1000035.2009 ii Foreword The information contained i

21、n this Foreword is not part of this American National Standard (ANS) and has not been processed in accordance with ANSIs requirements for an ANS. As such, this Foreword may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requirem

22、ents necessary for conformance to the Standard. The Alliance for Telecommunication Industry Solutions (ATIS) serves the public through improved understanding between providers, customers, and manufacturers. The Packet Technologies and Systems Committee (PTSC) develops and recommends standards and te

23、chnical reports related to services, architectures, and signaling, in addition to related subjects under consideration in other North American and international standards bodies. PTSC coordinates and develops standards and technical reports relevant to telecommunications networks in the U.S., review

24、s and prepares contributions on such matters for submission to U.S. ITU-T and U.S. ITU-R Study Groups or other standards organizations, and reviews for acceptability or per contra the positions of other countries in related standards development and takes or recommends appropriate actions. ANSI guid

25、elines specify two categories of requirements: mandatory and recommendation. The mandatory requirements are designated by the word shall and recommendations by the word should. Where both a mandatory requirement and a recommendation are specified for the same criterion, the recommendation represents

26、 a goal currently identifiable as having distinct compatibility or performance advantages. Suggestions for improvement of this document are welcome. They should be sent to the Alliance for Telecommunications Industry Solutions, PTSC, 1200 G Street NW, Suite 500, Washington, DC 20005. At the time it

27、approved this document, PTSC which is responsible for the development of this Standard, had the following members: M. Dolly, PTSC Chair (AT&T) W. Downum, Technical Editor (Telcordia) C. Underkoffler, ATIS Chief Editor The Signalling, Architecture, and Control (SAC) Subcommittee, which was responsibl

28、e for the development of this document, had the following members: ATIS-1000035.2009 iii Table of Contents 1 Scope . 5 2 References 5 2.1 ATIS References 6 2.2 ITU-T References 6 3 Definitions . . 6 3.1 Terms defined in ITU Recommendations 6 3.2 Terms defined in this Standard 7 4 Abbreviations 8 5 I

29、ntroduction . 9 5.1 IdM Overview 9 5.2 Business Drivers and Motivations . 11 5.3 Identity Provider (IdP) . 13 5.4 NGN Functional Architecture and Use of Identifiers 14 6 IdM Framework Overview . 15 7 IdM in Context of NGN Architectures and Reference models 16 7.1 General Relationship with NGN Archit

30、ectures and Services 16 7.2 Y.2011 (General principles and general reference model for NGN) Reference Models 17 8 Identity Management Framework 18 8.1 Identity Lifecycle Management 18 8.1.1 Proofing and Enrolment 18 8.1.2 Issuance and Revocation . 19 8.2 Identity Management OAM&P Functions . 19 8.2.

31、1 Data Model and Schema 19 8.2.2 Identifier Management 20 8.2.3 Attribute Management . 20 8.2.4 Credential Management . 21 8.2.5 Logging and Auditing 22 8.3 Identity Management Signalling and Control Functions 22 8.3.1 Introduction . 22 8.3.2 Discovery of Identity Information . 22 8.3.3 IdM Communic

32、ations 23 8.3.4 Correlation and Binding 25 8.3.5 Authentication . 25 8.3.6 Authentication Assurance . 25 ATIS-1000035.2009 iv 8.3.7 Delegation . 26 8.3.8 Policy Enforcement 26 8.3.9 Support of Services Requiring Priority Treatment 27 8.4 Identity Management Federated Identity Functions . 27 8.4.1 Fe

33、derated Identity 27 8.4.2 Federation Discovery 27 8.4.3 Bridging and Interworking . 27 8.5 Identity Management User and Subscriber Functions . 27 8.6 Performance and Reliability . 28 8.6.1 Performance . 28 8.6.2 Timestamp Accuracy . 28 8.6.3 Reliability and Availability . 28 8.7 IdM Security 29 8.7.

34、1 Security Protection of Network Elements Providing IdM . 29 8.7.2 Protection of Personally Identifiable Information (PII) . . 29 9 Informative References . 29 Table of Figures Figure 1 IdM Overview . 10 Figure 2 Use of IdM Services 12 Figure 3 - Example NGN Identities . . 14 Figure 4 - IdM Framewor

35、k Overview . 15 Figure 5 Relation with NGN Architectures and Services . 16 Figure 6 Scope of IdM in Context of Figure 2/Y.2011 17 Figure 7 IdM in Context of the Figure 3/Y.2011 . 18 Figure 8 External Interfaces . 24 Table of Tables Table 1 IdM Drivers and Motivations . 12 AMERICAN NATIONAL STANDARD

36、ATIS-1000035.2009 American National Standard for Telecommunications Next Generation Network (NGN) Identity Management (IdM) Framework 1 Scope This standard provides an Identity Management (IdM) framework for Next Generation Network (NGN). The primary purpose of this standard is to describe the funda

37、mental concepts, functional components and capabilities of IdM that can be used to organize and guide structured solutions for NGN. The scope of this standard includes to: Describe the business motivations, benefits, and advantages of IdM services, and the generic capabilities used to provide identi

38、ty assurance and defining IdM concepts applicable to NGN and based on the NGN Functional Requirements and Architecture (FRA) as defined in ITU-T Recommendation Y.2012 Y.2012 and ATIS standard, NGN Architecture ATIS-1000018 Identify and describe the functional entities, roles, relationships, enablers

39、 and communications supporting IdM services and capabilities for NGN Identify and describe the (intra-network) relationships for supporting IdM services and capabilities within an NGN, Identify and describe the relationships for supporting IdM services and capabilities between NGN providers (e.g., w

40、ithin a federation), and between NGN providers and other providers (e.g., inter-federation) The framework provided in this standard is intended for NGN (i.e., managed packet networks) as defined in ITU-T Y.2001, General overview of NGN. However, it could be applied as appropriate to other types of n

41、etworks (e.g., private corporation and enterprise networks). This framework is intended to be used as a foundation to develop and specify specific aspects of IdM for NGN such as detailed requirements, mechanisms and procedures as needed. It also provides a clear and coherent overview of the totality

42、 of IdM in NGN. Note: the use of the term Identity in this standard relating to Identity Management (IdM) does not indicate its absolute meaning. In particular, it does not constitute any positive validation of a person. 2 References The following standards contain provisions which, through referenc

43、e in this text, constitute provisions of this American National Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this American National Standard are encouraged to investigate the possibility of applying

44、 the most recent editions of the standards indicated below. ATIS-1000035.2009 6 2.1 ATIS References 1ATIS-1000018 NGN Architecture. ATIS-1000029.2008 NGN Security Requirements. ATIS-1000030.2008 Authentication and Authorization Requirements for Next Generation Network (NGN). ATIS-1000005 Service Des

45、cription of ETS. ATIS-1000010.2006(R2011) Support of Emergency Telecommunications Service (ETS) in IP Networks. 2.2 ITU-T References 2ITU-T Y.2001 ITU-T Recommendation Y.2001 (2004), General overview of NGN. ITU-T Y.2011 ITU-T Recommendation Y.2011 (2004), General principles and general reference mo

46、del for Next Generation Networks. ITU-T Y.2012 ITU-T Recommendation Y.2012 (2006), Functional Requirements and Architecture of the NGN Release 1. ITU-T Y.2701 ITU-T Recommendation Y.2701 (2007), Security Requirements for NGN Release 1. ITU-T Y.2702 ITU-T Recommendation Y.2702 (2008), NGN Authenticat

47、ion and Authorization Requirements. ITU-T Y.2205 ITU-T Recommendation Y.2205 (2008), Next Generation Networks Emergency Telecommunications Technical Considerations ITU-T E.107 ITU-T Recommendation E.107 (2007), Emergency Telecommunications Service (ETS) and Interconnection Framework for National Imp

48、lementations of ETS. 3 Definitions 3.1 Terms defined in ITU Recommendations This standard uses the following terms defined in ITU-T documents. Anonymity X.1121: Ability to allow anonymous access to services, which avoid tracking of users personal information and user behaviour such as user location,

49、 frequency of a service usage, and so on. authentication X.811: The provision of assurance of the claimed identity of an entity. authorization X.800: The granting of rights, which includes the granting of access based on access rights. 1This document is available from the Alliance for Telecommunications Industry Solutions (ATIS), 1200 G Street N.W., Suite 500, Washington, DC 20005. 2This document is available from the International Telecommunications Union. ATIS-1000035.2009 7 claimant X.811: An entity which is or