Contents. Acknowledgments

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Rose Montgomery
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1 Abstract Acknowledgments Acronyms iii v xiii 1 Introduction Problems and Motivation Competition by Web/Internet Application Service Providers Web-Telecom Service and Application Convergence Third Party Developer Platforms Developer Communities Application Stores Cross-Platform Compatible Applications Towards Proprietary Monopolies for Communication Services Conclusion Contributions Methodology and Approach Design Science Research Approach Structure of Thesis 15 2 Terminology, Definitions and Concepts Distinction between Service and Application Service Oriented Architectures SOA Manifesto Web Service SOA Triangular Model Service Lifecycle 21

2 viii Contents Service Layers Enterprise Service Bus SOA Reference Architecture Service Delivery Platform Device Centric vs. Service Delivery Platform Centric Application Lifecycle Convergence Fixed-Mobile Convergence Media-Telecom Convergence Web-Telecom Convergence 36 3 Web-Telecom Convergence Stakeholder Goals Communication Service Providers Application Service Providers Device and Platform Manufacturers Developers End-Users Technology Providers, Content Providers, Advertisers 62 4 Analysis The Evolution of Telecommunication Service and Application Development Intelligent Networks Customized Applications for Mobile Enhanced Logic Telecommunication Information Networking Architecture Open Application Programming Interface Parlay Java API for Intelligent Networks Conclusion Adoption of Web/Internet Servlet Development Concepts Web Service-Based Concepts Telecommunication Service Orchestration Evaluation of Web-Telecom Convergence Concepts and Platforms Comparing Established Web-Telecom Convergence Platform Concepts Comparison Methodology Defining Comparison Methodology Parameters Comparison of Web-Telecom Convergence Platform Proposals Discussing Web-Telecom Convergence Research Results 77

3 ix Evaluation Conclusions Evaluation of Mobile Application Development Technologies Mobile Platforms Mobile Development Frameworks 83 5 Design of Web-Telecom Converged Applications Web-Telecom Convergence Application Scenarios Unified Address Book Social Notification Application Postal Service Notification Dynamic Voice Mail Message Automated Telephone Conference Click-to-Call Supplement to Business Software Logical Reference Architecture of a Web-Telecom Converged Application Technical Architecture of a Web-Telecom Converged Application 92 6 Requirements for a Web-Telecom Convergence Platform Deriving Requirements from Stakeholder Goals Deriving Requirements from Analysis and Applications Design Design of the Application Delivery Platform Core Concepts of the Application Delivery Platform CI - Extending the Concepts of Service Delivery Platform to an Application Delivery Platform C2 - Separation of Networks and Applications C3 - Layered Architecture C3.1 - Web-Telecom Convergence on Lowest Platform Layer C3.2 - Separation of Shared and Application Services Layers C3.3 - The Introduction of the ISO/OSI Application Layer in Telecommunications C3.4 - Quality of Service (QoS), Authentication, Authorization, Accounting (AAA), SCIM and PEEM Layers C4 - Layered Telecommunication Standardization C5 - Scopes and Types of ADP Services C6 - SOA Concepts-based Application Delivery Platform C7 - Inside-Out through Telecommunication Service Exposure C8 - Outside-In through Semi-Automatic Service Import C9 - Internet of Services through a Collaboration of Platforms across Domains 120

4 X Contents CIO - Application Distribution Cll - Services and Applications Monitoring Logical Reference Architecture of the Application Delivery Platform Network Layer Telecommunication Services Layer Web/Internet Services Layer Shared Services Layer Application Services Layer Client Proxy Layer Thin Client Layer Technical Architecture of the Application Delivery Platform Device Platforms and APIs Layer Network Layer Telecommunication Services Layer Web/Internet Services Layer Shared Services Layer Application Services Layer Client Proxy Layer Validation and Evaluation of the Application Delivery Platform Concept Requirements Assessment Proof of Concept Prototypes First Iteration Application Delivery Platform Prototype Unified Address Book Application Prototype Second Iteration Application Delivery Platform Prototype Semi-Automatic Service Import Application Delivery Platform Social Notification Application Prototype Motivation and Goals Component Architecture Core Concepts Assessment Conclusion and Future Work 147 Appendix 149 A Web-Telecom Convergence Concepts and Platforms Evaluation Details 149

5 xi A.l Business Requirements 149 A.2 Architectural Services 150 A.3 Quality Subfactors 152 B Service Description Languages Evaluation 155 C Mobile Application Development Technologies Evaluation Details 157 C.l Mobile Platforms 157 C.2 Cross-Platform Mobile Development Frameworks 158 D Semi-Automatic Service Integration Prototype Template 161 E SNApp Exemplary Message Sequence of Facebook Support 163 F Related Technologies, Standards and Specifications 165 F.l Internet and Telecommunication Protocols 165 F.2 Multimedia Streaming Protocols 177 F.3 Voice-over-IP (VoIP) 182 F.4 Mobile Web/Internet Access Network Technologies 185 F.5 Mobile IP Core Network Technologies 190 F.6 Open Services Gateway Initiative (OSGi) 210 F.7 Representational State Transfer (REST) 211 List of Figures 215 List of Tables 219 Listings 221 Bibliography 223

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