3G Multimedia Network Services, Accounting, and User Profiles (Artech House Mobile Communications Series)

331 Pages·2003·3.51 MB·English

by  Marcel Mampaey

3G Multimedia Network Services,
Accounting, and User Profiles
ForacompletelistingoftheArtechHouseMobileCommunicationsSeries,
turntothebackofthisbook.
3G Multimedia Network Services,
Accounting, and User Profiles
Freddy Ghys
Marcel Mampaey
Michel Smouts
Arto Vaaraniemi
Artech House
Boston • London
www.artechhouse.com
LibraryofCongressCataloging-in-PublicationData
3Gmultimedianetworkservices,accounting,anduserprofiles/FreddyGhys...[etal.].
p. cm.—(ArtechHousemobilecommunicationsseries)
Includesbibliographicalreferencesandindex.
ISBN1-58053-644-1(alk.paper)
1.Wirelesscommunicationsystems. 2.Mobilecommunicationsystems. 3.Multimedia
systems. I.Ghys,Freddy. II.Series.
TK5103.2.A14 2003
621.382—dc22 2003055618
BritishLibraryCataloguinginPublicationData
3Gmultimedianetworkservices,accounting,anduserprofiles.—(ArtechHousemobile
communicationsseries)
1.Cellulartelephonesystems—Marketing 2.Multimediasystems—Marketing 3.Cellular
telephoneservicesindustry—Economicaspects 4.Cellulartelephoneservicesindustry—
Accounting
I.Ghys,Freddy II.ThreeGmultimedianetworkservices,accounting,and
userprofiles
384.5’3
ISBN1-58053-644-1
CoverdesignbyIgorValdman
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10987654321
Contents
Acknowledgments xiii
Introduction xv
Chapter 1 Services 1
1.1 World Mobile Standards 3
1.2 Mobile Services 3
1.2.1 Infrastructure Services 4
1.2.2 Local Services 7
1.2.3 Location Service 7
1.2.4 Supplementary Services 9
1.2.5 CAMEL Services 10
1.2.6 Evolution from 2G to 2.5G, 3G, and Beyond 11
1.2.7 Information Services 13
1.2.8 Messaging Services: SMS, EMS, and MMS 16
1.2.9 Picture Services 18
1.2.10 Mobile Agenda Service and Appointment
Manager 20
1.3 Unifying Fixed and Mobile Services 21
1.4 Multimedia Services 23
1.5 User Profile Management Service 25
1.6 E-commerce, M-commerce, and Micropayments 27
1.7 Entertainment Services 28
1.7.1 Daily Entertainment Services 30
1.8 Remote Services 31
1.8.1 Home Security 31
1.8.2 Home Appliances Control 31
1.8.3 The House Page 32
1.8.4 Car Security 32
1.9 Ambient Intelligence 33
1.10 Communities 33
1.11 Value-Added Services Technology Evaluation 34
1.12 Auxiliary Success Factors 34
1.12.1 Simplicity of the User Interface 35
1.12.2 Polymorphism of the Terminal 35
1.12.3 The IMT-2000 Terminal Becomes a Versatile
Multimedia Device 37
1.13 Multiplayer Services 38
1.14 Evolving from Previous Technologies 41
1.15 Conclusion 41
v
vi 3G Multimedia Network Services, Accounting, and User Profiles
References 42
Chapter 2 Service Architecture 43
2.1 Business Model 44
2.1.1 Exploiting the Unified Model Depending on
Business Objectives 46
2.1.2 Operators Taking Up a Retailer-Centric Model 47
2.2 3G Network Architecture 48
2.2.1 3GPP and 3GPP2 Harmonization 49
2.2.2 3G Network Architecture 51
2.2.3 IP Multimedia Subsystem 52
2.2.4 Service Technologies in UMTS 55
2.3 Service Architecture Challenges 61
2.3.1 Three Application Initiation Mechanisms 62
2.3.2 Application Access and Communication Services 63
2.3.3 Coordinating Distributed User Data –
VHE and PSE Concepts 64
2.3.4 Three Application Deployment Models 66
2.3.5 Deploying Application Triggers 67
2.4 3GPP Standard Triggering Mechanism 69
2.5 The OSA-Parlay Gateway 70
2.6 Additional Thoughts on Business Modeling 74
2.6.1 Applying the Business Model to the Dual
Fixed-Mobile Use Case 74
2.6.2 An Extended Business Model for Content
Distribution 76
2.7 NGN Glossary 79
2.8 Conclusion 82
References 83
Chapter 3 Quality of Service in Multimedia Networks 85
3.1QoS Basics 85
3.1.1 The Need for QoS 85
3.1.2 QoS Concepts 87
3.2QoS Implementation in the Network 92
3.2.1 General QoS Model 92
3.2.2 Generic QoS Scenario 93
3.2.3 The Policy Decision Function 96
3.2.4 The AC Function 97
3.2.5 The ARC Function 99
3.2.6 The AG Function 99
3.3 The UMTS Scenario 101
3.3.1 The UMTS Access Architecture 101
3.3.2 Basic UMTS Scenario 103
Contents vii
3.4 A Possible DSL Scenario 105
3.4.1 DSL Access Architecture 105
3.4.2 The Scenario 106
3.5 QoS-Related Security Considerations 108
3.5.1 General 108
3.5.2 Management Interfaces 109
3.5.3 Network-Network Control Interfaces 110
3.5.4 User-Network Control Interfaces 110
3.5.5 User Plane Data 110
3.6 Conclusion 111
References 112
Chapter 4 User Profile Needs and Models 113
4.1 Introduction 113
4.2 Rationale for the UP Concept 114
4.2.1 Why a Generic UP Concept – Standardization 115
4.2.2 Functional Requirements 116
4.2.3 Benefits for Operators and VASPs 119
4.2.4 Benefits for Subscribers and Users 121
4.2.5 Benefits for Suppliers 121
4.3 Modeling Concepts 122
4.3.1 Multiview Approach for UP Architecture 122
4.3.2 UP Component Principle 122
4.4 User Model 123
4.4.1 UML-Based User Model 123
4.4.2 Actors, Roles, and Tasks 124
4.4.3 Identification, Single and Multiple Registration,
Forking 127
4.5 Logical Data Model 130
4.5.1 Principles 131
4.5.2 Application Data 132
4.5.3 Subscription Data 133
4.5.4 User Data 134
4.5.5 End-User Data 135
4.6 Data Description Methods 136
4.6.1 Data Description Method Principle 136
4.6.2 UP Components and Mapping to XML 138
4.6.3 Data-Type Definition Method 140
4.6.4 Information Model 141
4.7 Ownership of UP Data 143
4.7.1 Supplier-Requestor-Consumer-Storage Model 143
4.7.2 UP Storage 148
4.7.3 Conclusion 151
References 151
viii 3G Multimedia Network Services, Accounting, and User Profiles
Chapter 5 User Profile Architectures and Use 153
5.1 Introduction 153
5.2 UP Access Mechanisms 153
5.2.1 UP Engine 154
5.2.2 UP Access Server Architecture 159
5.3 Use Case 166
5.4 Resilience of UP 169
5.4.1 Master Concept and Synchronization 169
5.4.2 Data Consistency and Synchronization 171
5.4.3 Resilience 171
5.5 Management of UP 173
5.5.1 UP Management Model 174
5.6 Charging 177
5.7 Integration of Different Networks and Their UP 178
5.7.1 UP Locations in the Native 2G and 3G Networks 178
5.7.2 Migration from 2G to 3G Network Architecture 182
5.8 UP Use Case in Services 189
5.8.1 User Types Are Many 189
5.8.2 Time Dependency 190
5.8.3 Converged Services 190
5.9 Conclusion 191
References 191
Chapter 6 The Need for Charging 193
6.1 Consumption-Based Versus Flat Fee 193
6.2 Price Setting 195
6.2.1 Perceived Value of the Communication 195
6.2.2 Perceived Value of the Content 196
6.2.3 Commercial Considerations 196
6.2.4 Price Transparency 196
6.2.5 Flexibility 196
6.2.6 Optimization of Revenue 196
6.2.7 Regulatory Aspects 197
6.3 Charging, Accounting, and Division of Revenue 197
6.3.1 Charging 198
6.3.2 Accounting 198
6.3.3 Billing 198
6.3.4 Division of Revenue 198
6.3.5 Cost Control Services 199
6.3.6 Off-Line Charging 199
6.3.7 On-Line Charging 199
6.4 Actors and Money Flows 199
6.4.1 Basic Multimedia Session, No Roaming 200
6.4.2 Basic Multimedia Session, Roaming 201
Contents ix
6.4.3 Third-Party Services 202
6.4.4 Access Networks 202
6.4.5 Charges for Content 203
6.4.6 Clearinghouses 203
6.4.7 Mapping to 3G Architecture 204
6.5 Mobile Device as Means of Payment 205
6.5.1 Strengths and Pitfalls 207
6.6 Conclusions 208
References 208
Chapter 7 Charging Methods and Consequences 209
7.1 Resource-Based and Content-Based 209
7.1.1 Charging for Used Resources 209
7.1.2 Charging for Content 210
7.1.3 Influence of Content-Based Charging on Resource 212
Charging
7.2 Postpaid Versus Prepaid 213
7.2.1 Postpaid Architecture 213
7.2.2 Prepaid Architecture 214
7.2.3 Credit Slicing 217
7.2.4 Why Two Architectures? 217
7.3 Charging Influencing Parameters 218
7.3.1 Time of Day as Charging Parameter 218
7.3.2 Duration as Charging Parameter 219
7.3.3 Volume as Charging Parameter 221
7.3.4 QoS as Charging Parameter 222
7.3.5 Location as Charging Parameter 223
7.3.6 Distance as Charging Parameter 224
7.4 Charging Components and Correlation 227
7.4.1 Media Components 227
7.4.2 Value-Added Service Components 228
7.4.3 Business-Model-Based Components 228
7.4.4 Network-Based Components 229
7.4.5 Content Component 230
7.4.6 Volume Component 230
7.4.7 Application Components 230
7.4.8 Correlation 231
7.5 Information to the Customer 232
7.6 Theft of Service 234
7.7 Charged Party 236
7.7.1 Charging the Session 236
7.7.2 Charging for Access 237
7.8 Charging for Network-Integrated Services 238
7.8.1 Multimedia Messaging 238
x 3G Multimedia Network Services, Accounting, and User Profiles
7.8.2 Presence 241
7.8.3 Location-Based Services 242
7.9 Conclusion 243
References 243
Chapter 8 Standardized Charging Models and Protocols 245
8.1 3GPP 245
8.1.1 Off-Line Charging Architecture 247
8.1.2 On-Line Charging Architecture 253
8.1.3 CAP Interface 258
8.1.4 CCF and ECF Addressing 258
8.1.5 Release 6 259
8.2 IETF 259
8.2.1 RADIUS 260
8.2.2 Diameter 262
8.2.3 Relationship to 3GPP 267
8.3 OSA/Parlay 267
8.3.1 Call Control API 267
8.3.2 (Content-Based) Charging API 269
8.3.3 Relationship to 3GPP 270
8.4 ETSI-TIPHON 270
8.4.1 OSP 270
8.4.2 Relationship to 3GPP 272
8.5 IPDR 272
8.5.1 NDM-U Reference Model 272
8.5.2 NDM-U Protocol 274
8.5.3 Comparing IPDR to 3GPP 274
8.6 Conclusion 275
References 275
Chapter 9 Security 277
9.1General Threat Analysis 278
9.1.1 The Players 278
9.1.2 Threat Classification 280
9.2Security Solutions 282
9.2.1 Data Protection 283
9.2.2 Access Control, Authentication, and Authorization 283
9.2.3 Firewalls and Network Address Translator 284
9.2.4 Intrusion Detection Systems and Honey Pots 285
9.3Deploying Security Solutions 285
9.3.1 IP Backbone, MPLS, and Security 286
9.3.2 IPsec 287
9.3.3 Secure Socket Layer and Transport Layer
Security 288