1、 Reference numberISO/IEC TR 16166:2010(E)ISO/IEC 2010 TECHNICAL REPORT ISO/IECTR16166First edition2010-08-01 Information technology Telecommunications and information exchange between systems Next Generation Corporate Networks(NGCN)Security of session-based communications Technologies de linformatio
2、n Tlinformatique Rseaux dentreprise de prochaine gnration(NGCN)Scurit des communications sur la base de sessions ISO/IEC TR 16166:2010(E)PDF disclaimer This PDF file may contain embedded typefaces.In accordance with Adobes licensing policy,this file may be printed or viewed but shall not be edited u
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7、www.iso.org Published in Switzerland ii ISO/IEC 2010 All rights reserved ISO/IEC TR 16166:2010(E)ISO/IEC 2010 All rights reserved iii Contents Page Foreword.vIntroduction.vi1 Scope.12 References.13 Terms and definitions.33.1 External definitions.33.2 Other definitions.44 Abbreviations.45 Background.
8、56 General principles.56.1 Threats and counter-measures.56.2 Threats to session level security.66.3 Authorisation.76.4 Security and mobile users.86.5 Security and NGN.86.6 Security and software status.86.7 Call recording and audit.87 Signalling security.87.1 Security of access to session level servi
9、ces.97.2 Securing a SIP signalling hop.97.2.1 TLS for securing SIP signalling.107.2.2 IPsec for security SIP signalling.107.2.3 The role of SIP digest authentication.107.3 Ensuring that all SIP signalling hops are secured.117.4 End-to-end signalling security.127.4.1 End-to-end security using S/MIME.
10、127.4.2 Near end-to-end security using SIP Identity.137.5 Authenticated identity delivery.137.5.1 P-Asserted-Identity(PAI).147.5.2 Authenticated Identity Body(AIB).147.5.3 SIP Identity.147.5.4 Authenticated response identity.157.6 NGN considerations.167.7 Public Switched Telephony Network(PSTN)inter
11、working.178 Media security.188.1 SRTP.188.2 Key management for SRTP.188.2.1 Key management on the signalling path.188.2.2 Key management on the media path.208.3 Authentication.218.3.1 Authentication with key management on the signalling path.218.3.2 Authentication with DTLS-SRTP.228.3.3 Authenticati
12、on with ZRTP.228.4 Media recording.228.5 NGN considerations.239 Use of certificates.2410 User interface considerations.24ISO/IEC TR 16166:2010(E)iv ISO/IEC 2010 All rights reserved 11 Summary of requirements,recommendations and standardisation gaps.2511.1 Requirements on NGNs.2511.2 Recommendations
13、on enterprise networks.2511.3 Standardisation gaps.26 ISO/IEC TR 16166:2010(E)ISO/IEC 2010 All rights reserved v Foreword ISO(the International Organization for Standardization)and IEC(the International Electrotechnical Commission)form the specialized system for worldwide standardization.National bo
14、dies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity.ISO and IEC technical committees collaborate in fields of mutual interest.Other i
15、nternational organizations,governmental and non-governmental,in liaison with ISO and IEC,also take part in the work.In the field of information technology,ISO and IEC have established a joint technical committee,ISO/IEC JTC 1.International Standards are drafted in accordance with the rules given in
16、the ISO/IEC Directives,Part 2.The main task of the joint technical committee is to prepare International Standards.Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting.Publication as an International Standard requires approval by at least 75%of the national bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.ISO and IEC shall not be held responsibl
