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Preface xxi Acknowledgments xxv About the Author xxvii
Part I: Enabling Technologies, Data Centers, and VoIP PBXs 1
Chapter 1: Computing and Enabling Technologies 3 Key Underlying Technologies 5 Sending Data in Packets 8 Deep Packet Inspection: Traffic Management and Monitoring 10 Compression 14 Increasing Network Capabilities via Multiplexing 18 Wide Area Network Acceleration and Optimization 20 Using Protocols to Establish a Common Set of Rules 22 Protocols and Layers 24 Cloud Computing 25 Single Servers Functioning as Multiple Servers via Virtualization 35 Network Cabling 38 Summary 44 Appendix 46
Chapter 2: Data Centers and IP Private Branch Exchanges 51 Introduction 52 Next-Generation Data Centers: Virtualization and Gigabit Speeds 53 Managing Virtualization 65 Backbone and Individual Local Area Network Structures 69 IP Private Branch Exchange Systems for Internal Use 72 The Technology behind IP Telephony 75 IP Private Branch Exchange Architecture 77 Value-Added Applications for Telephone Systems 87 Summary 100 Appendix 100
Part II: Industry Overview 105
Chapter 3: Competition, Industry Structures, and Regulations 107 Introduction 108 The 1984 Breakup of AT&T 110 Regulatory Issues 117 The State of the Industry 133 Nontraditional Competitors: Amazon, Apple, Google, Microsoft, and Netflix 150 Appendix 161
Part III: Wide Area Networks and the Internet 163
Chapter 4: Carrier Networks 165 The Public Network 167 Long-Haul Networks: The Core 168 Technologies Used in Carrier Networks 171 Convergence in Core and Metropolitan Networks 174 Transporting Movies and TV in the Core 186 Middle-Mile Networks 187 Last-Mile Access Networks 191 Access Networks in Cable Operators'' Networks 201 Telecommunications Services in National Emergencies 205 Signaling 207 Summary 211 Appendix 213
Chapter 5: Broadband and Wide Area Network Services 215 Introduction 216 A Definition of Broadband 218 VoIP Calling Services over Broadband 219 Multi-Protocol Label Switching for Interoffice Connections 223 Internet Protocol Virtual Private Networks over the Internet 229 Securing Transmissions Sent via the Internet 230 Managed Services 235 Using Digital Subscriber Line for Internet Access 239 High-Speed Access via Carrier Gigabit Ethernet 243 T1 and T3: The First Broadband Services for Businesses 246 Private Lines, Network Topology, and Frame Relay 250 Appendix 257
Chapter 6: The Internet 261 Introduction 262 The Growth of the Internet 264 The Structure of the Internet 267 Security Threats from Internal, External, and International Sources 274 Privacy 278 Video Streamed from the Internet to the Front Room 280 Electronic Commerce 286 Online Community Forums 290 Network Neutrality 292 The Digital Divide: Bandwidth, Skills, and Computers 297 Intranets and Extranets 298 Summary 301
Part IV: Mobile Networks and Mobile Carriers Worldwide 303
Chapter 7: Mobile and Wi-Fi Networks 305 Introduction 306 First-Generation Analog Technologies 308 Finite Spectrum for Wireless Networks 309 Second-, Third-, and Fourth-Generation Digital Networks 321 Fourth-Generation Advanced Mobile Services 332 The Streamlined Infrastructure of Long-Term Evolution Architecture 341 The Microcell Technology of Picocells and Femtocells 350 Handheld Devices and Tablet Computers 353 Applications and Services 360 Wi-Fi Standards, Architecture, and Use in Cellular Networks 365 Satellites 376 Summary 378 Appendix 379
Chapter 8: Mobile Carriers Worldwide 387 Introduction 388 The Largest Mobile Carriers Worldwide 390 The Asian Market 392 Latin America 401 Sub-Saharan Africa 405 Europe 412 Summary 421 Glossary 423 Index 449