IMS: A Development and Deployment Perspective

Transcription

1 IMS: A Development and Deployment Perspective Khalid AI-Begain University of Glamorgan, UK Chitra Balakrishna University of Glamorgan, UK Luis Angel Galindo Telefonica, Spain David Moro Telefonica, Spain )WILEY A John Wiley and Sons, Ltd., Publication

2 Contents Preface Author Biographies ix xi Part I Introduction 1 1 IMS Context Drivers of Convergence Origin of IMS IMS - Convergence Enabler IMS Misconceptions IMS - A Replacement or New or Complementary Domain IMS - Telecom Network over IP? Intelligent Core versus Dumb Edge IMS - Walled Garden? IMS - An Integral Part of the Telecom Service Delivery Infrastructure Architectural Concepts Related to Service Infrastructures IMS Standards Status GPP IETF-3GPP TISPAN PacketCable Multiservice Forum (MSF) IMS Forum Open Mobile Alliance (ОМА) IMS Deployment Status Future The 2.0 Era: A Consolidated Trend Immediate Future: Web-Telecom Convergence Future Internet: The Next Landscape for Both Web and Telecom Worlds 36 2 IMS Technology Evolution of Mobile Network Architecture 43

3 VI Contents Transition Phases of Cellular Radio Access Technologies Transition Phases of Mobile Core Network Architecture IMS - A Standardized All-IP Infrastructure IMS Components IMS Protocols Distinct Features of IMS Evolution of Fixed Mobile Convergence TISPANNGN PacketCable and IMS Integration 90 Part II Convergence - Services and Deployment Perspective 97 3 IMS - A Service Perspective The IMS Potential IMS Essentials SIP Strength IMS-Enhanced Service Delivery Framework IMS Service Architecture - Network Aspect IMS Development Architecture - Application Aspect Service Composition IMS Service Creation - Generic Service Platform Aspects IMS Services - Possibilities Blended Service End-User Services IMS Deployment Deployment Concerns IP Challenges Devices Challenge Operations and Management Issues Security Interoperability Interoperator Interoperability Interoperability of Services and Service Enablers SIP Interoperability IMS Deployment Strategies End-User Requirements Fixed Operator Requirements Mobile Operator Requirements Fixed Mobile Convergent Operator Requirements Summary of Real Deployments IMS Test Networks The Need for IMS Test Networks 194

4 Contents Vll Building a Holistic IMS Test Facility IMS Open-Source Initiatives 199 Part III Convergence - The Road Ahead WIMS 2.0: Convergence of Telcos with Web 2.0 Facilitated by IMS Impact of the Web 2.0 Disruption on the IMS and Telecom Evolution Web 2.0 Phenomenon IMS and Telco Convergence Opportunity: WIMS Mission and Vision of the WIMS 2.0 Initiative WIMS 2.0: The Service Focus The WIMS 2.0 Strategies WIMS 2.0 Ecosystem: Creating the WIMS-WIMS Relationship WIMS 2.0 Services and Business Models WIMS 2.0: The Technology Focus Reference Model for the WIMS 2.0 Service Platform Web Technology Map for WIMS Implementation Aspects WIMS 2.0 Roll-Out The Way Forward - Paths to Follow Operators and Service Platforms Open Capabilities SDPandSOA Digital Marketplace of Services Developers and Service Creation Opening Capabilities: REST Application Framework: Ruby on Rails Development Techniques: AJAX Rich Internet Applications Users and Service Creation UGS Based on Data Mash-ups: Yahoo Pipes UGS Based on RIA: Microsoft Popfly UGS Based on Telecom Convergence: OPUCE Devices and Service Creation Mobile Browser: Web-Based Applications Mobile Widgets/Gadgets Mobile RIA Applications Android Environment The iphone Toolkit Maemo Linux-Based Devices 211

5 Vlll Contents 6.5 Research and Development IMS Exposure to Browser Future Session and Service Protocols for IMS Web 3.0: from the Social Revolution to a More Usable Internet Telco Future Internet Concluding Remarks 290 References 291 Index 301