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    1. Naturvetenskap och teknik
    2. Teknik och industri
    3. Elektronik och kommunikationer

    Understanding Changing Telecommunications

    Building a Successful Telecom Business

    AvAnders Olsson

    Inbunden, Engelska, 2004

    1 657 kr

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    E-bok

    1 940 kr

    Beskrivning

    The field of telecommunications is becoming ever more complex. In order to manage the new Telecom industry it is necessary not only to understand its 3 main components, namely the end users, the technology and networks, and the business aspects, but also their vital inter-relationships.Complexity leads to uncertainty, and one effect of uncertainty is for people to underestimate the complexity of the business and the technology. This book takes a holistic approach to the subject and can be used as a tool for decreasing this uncertainty.  During 2000 many operators paid extremely high sums of money for 3G licenses in a number of European countries, supposing a potential corresponding and balancing revenue from mobile services in the new frequency band. Obviously today the licenses are questionable. Consequently, suppliers and operators were forced to reduce their international work force. What are the underlying reasons? Since the true rate and level of development was hardly foreseen by anyone, the picture is complex, including factors such as psychology and belief in a new economy. It is immediately clear that the end user impact has been severely under-estimated. It is also clear that the expected development has and is happening, with more speed than expected, and continues to be complemented with solutions such as wireless LANs.This book treats the paradigm shift from a number of angles: user needs and demands, deregulation of telecom and the convergence between telecommunications, data communications and the media industry, the service plan, service implementation, QoS, and Security.Understanding Changing Telecommunications focuses on the overall principles and context of the new telecommunications world rather than on high-level technical descriptions in order to aid the understanding and development of the next generation of telecom networks. e.g. multimedia over IP and 3G. Discusses the development of telecommunications up until 2005Provides a holistic view of the world of telecommunicationsCovers three main areas: End-users, Technologies and Networks, and Telecom Business, and their vital inter-relationshipsOffers support and advice for those needing to implement business plansEssential reading for staff with operators and providers involved in the telecom networks, especially management, planning and design, development, integration and training, as well as Business analysts and investors keen to understand the current state of the Telecom industry.

    Produktinformation

    • Utgivningsdatum:2004-03-26
    • Mått:173 x 250 x 34 mm
    • Vikt:1 049 g
    • Format:Inbunden
    • Språk:Engelska
    • Antal sidor:544
    • Förlag:John Wiley & Sons Inc
    • ISBN:9780470868515

    Utforska kategorier

    • Elektronik och kommunikationer inom Naturvetenskap och teknik

    Mer om författaren

    Anders Olsson has worked for many years as a network designer in Sweden (Televert, nowadays TeliaSonera), Columbia (Telecom) and Tanzania (TP & TC), and in 1991 was appointed senior expert in Network oriented training at Ericsson.

    Innehållsförteckning

    • Preface xiAbout the Author xiiiReferences and Acknowledgements xvGlossary xxi1 Introduction 11.1 The Book in Brief 11.2 A Dynamic Situation 101.3 Success Factors for the Growth of Mobile Services 111.4 Comment on Terminology 122 End-User Needs and Demands 152.1 Objectives 152.2 The Role of the Unpredictable (?) End User 182.3 User Analysis and Segmentation 192.4 Basic Needs Model 332.5 Mapping of Needs and Services 352.6 The Human End User as a Traffic Generator and Receiver 412.7 The Future Most Common End User: A Machine 432.8 What are the Service Drivers? 452.9 User Perception 462.10 Summary 473 Networks and Technologies 493.1 Objectives 493.2 What is a Network? 513.3 What is a Vertical Network? 543.4 The Convergence (or Collision?) 573.5 What is a Horizontal Network? 633.6 Fundamental Plans 653.7 A Techno-Economic View of the Convergence 703.8 Adaptation of the Basic Triangle and FPs to the Converged Multi-Service Network 713.9 The Connectivity Layer 753.10 The Control Layer 783.11 The Service Layer 783.12 The Distributed Network Dimension 833.13 The Processing Dimension 873.14 Key Enablers 893.15 General Enabler Development 933.16 Enabler Overview 934 Telecom Business 994.1 Objectives 994.2 The Telemanagement Forum 1014.3 Adopting a Telecom Business Perspective 1054.4 Telecom Enterprise Strategy: Roles for Positioning 1084.5 Tools for Profitability Calculations and Business Cases 1224.6 Revenue 1304.7 Cost Efficiency 1355 Services 1475.1 Introduction 1475.2 The Service Plan 1545.3 A Common Segmentation of Services for Mobile Internet 1575.4 Service Segmentation for Planning 1595.5 Value-added Services 1655.6 Economy of Service by Means of Caching 1665.7 Economy of Service by Means of Saving Bandwidth 1665.8 Bandwidth Requirements 1705.9 Security 1725.10 Future Service Development 1725.11 Pricing: Charging in the New Telecom World 1745.12 The Service Plan versus the New Architecture 1775.13 The Core Network and the Service Plan 1775.14 The Access Network and the Service Plan 1805.15 Telecom Management and the Service Plan 1836 Security 1856.1 Objectives 1856.2 The Goals of the User and Actor. Terminology 1866.3 The Problem 1876.4 Non-Availability for Non-Security Reasons 1946.5 Connecting Security Terms into Telecommunication 1946.6 Main Ways to Implement Security 1966.7 Integrity and Confidentiality by Access Control – Authentication 2026.8 Integrity by Access Control – Authorization in Enterprises 2056.9 Integrity by Access Control – Firewalls 2056.10 Confidentiality: Encryption and Key Management 2076.11 Confidentiality by Tunnelling 2106.12 Confidentiality and Integrity by IPsec 2126.13 Confidentiality and Integrity for Mail by S/MIME 2146.14 Applications and Solutions 2156.15 Summary with IPsec and FP Focus 2197 Quality of Service 2217.1 Objective 2217.2 Introduction 2217.3 Perception of QoS 2247.4 Threats to QoS 2297.5 QoS Enablers 2377.6 QoS at the Application Level 2437.7 Implementation of QoS in UMTS 2448 Service Implementation 2478.1 Objectives 2478.2 Chapter Structure 2498.3 Target Network 2508.4 Development Tracks 2548.5 Introduction to Packet Design 2568.6 The Role of Fundamental Technical Plans in Packet Design 2588.7 Top-Down Approach to Packet Design 2598.8 Specific Fundamental Technical Plans 2668.9 Convergence Between Fundamental Technical Plans 2758.10 Traffic Cases 2809 Service Network 2859.1 Objectives 2859.2 Connection to Preceding Chapters 2859.3 What is a Service Network? 2869.4 Service Network Domain and Principles 2889.5 Terminology 2909.6 The Architecture of Service Networks 2909.7 The Needs of the User Domain 2959.8 The Needs of the Service Network Owner 2969.9 Service Network Implementation 2999.10 The (IP) Service Network Support Entities 3009.11 Examples of Service Implementation 30110 Terminals 30510.1 What is a Terminal? 30510.2 Business Aspects 30810.3 History 30910.4 Terminals for Mobile Networks 30910.5 PDA Development 31110.6 Terminal Convergence 31210.7 The Changing Role of Terminating Devices 31210.8 What is a Customer Premises Network? 31310.9 Some Enablers 31510.10 Terminal Functionality – Example 31710.11 The Future 31811 Edge Nodes 31911.1 Introduction 31911.2 Access and Backbone Networks 32111.3 MGW Interfaces 32311.4 Media Gateway Tasks 32411.5 Summary 32912 Packet Backbone 33112.1 Objectives 33112.2 Service Plan versus Packet Backbone 33212.3 Capacity Development 33412.4 Control Functions in the Packet Backbone 33612.5 The Distributed Dimension 33912.6 Traffic 33912.7 ATM Solutions 34012.8 IP Routing 34212.9 IP QoS 34412.10 Multi Protocol Label Switching (MPLS) 34712.11 Multi-Layer Control 34813 Access Network 35113.1 Objectives 35113.2 Introduction 35113.3 What is an Access Network? 35213.4 Access System Fragmentation 35713.5 Unification 35813.6 The Distributed Dimension 35913.7 The Layered Dimension 36113.8 Fundamental Plans in Access Networks 36313.9 Mobility 36413.10 Access Technologies in Mobile Networks 36413.11 System Evolution 36613.12 Fixed Systems 37413.13 Fibre-Based Systems 37613.14 Ethernet 37613.15 Combined ADSL over Copper and Ethernet Over Fibre Solution 37713.16 Cable Modem 37813.17 WLAN 37913.18 Satellite Technologies 38113.19 High Speed Fixed Radio 38214 Control Network 38514.1 Introduction 38514.2 The Environment of the Control Network 38714.3 Fundamental Plans in the Control Network 38814.4 A Simple Target Control Network Signalling 39014.5 Circuit Mode Domain 39414.6 Packet Mode Domain 39714.7 IMS Domain = IP Multimedia Subsystem 39914.8 HLR/HSS for all Previous Domains 40214.9 The Domain of (Voice and) Signalling Over IP 40214.10 Common Support Functions 40615 Interconnection 40915.1 Objectives 40915.2 Introduction 41015.3 Interconnection in Tele-Centric Fixed Voice Networks 41315.4 Definition of an Actor Interface Reference Point 41415.5 Service Level Agreements 41515.6 Service Interworking 41615.7 QoS Interworking 41715.8 PDP Context Activation for Connection to a Data Network 41815.9 Security Interworking 41915.10 Signalling Interworking 42015.11 Routing 42115.12 Mobility Management 42315.13 Charging and Accounting 42415.14 Possible Interworking UMTS–WLAN 42616 Telecom Management – Operations 42916.1 Introduction 42916.2 The Management System 43116.3 Basic Process Part 43816.4 The TMN Functional Areas 44116.5 Service Management 44316.6 TM Operations from a Roce Perspective 44516.7 Customer Care and Data Warehousing 44816.8 Security Management 45116.9 QoS Management 45216.10 Terminal Management 45316.11 Access Network Management 45416.12 Management of Layered and Serial Interworking 45416.13 Conclusions 457Appendix 1 Web Services and a Service-Oriented Architecture 459Appendix 2 Financial Calculations 463Appendix 3 Development Tracks 473Appendix 4 Dimensioning Media Gateways and Associated Telephony Servers 481Index 499