Computer Communications and Network Basics p. 1 Overview of Computer Communications and Networking p. 2 What Does Computer Communications and Networking Technologies Mean? p. 3 What Is a Computer Network? p. 4 Types of Computer Networks p. 7 Network Addressing, Routing, Reliability, Interoperability, and Security p. 16 Network Standards p. 19 The Telephone System and Data Communications p. 23 Organization of the Book p. 28 End-of-Chapter Commentary p. 29 Chapter Review Materials p. 30 Essential Terms and Concepts p. 33 Network Applications and Application Protocols p. 34 Computer Communications and Networking Models p. 37 Communication Service Methods and Data Transmission Modes p. 45 Analog and Digital Communications p. 49 Speed and Capacity of a Communications Channel p. 54 Multiplexing and Switching p. 59 Network Architecture and the OSI Reference Model p. 65 End-of-Chapter Commentary p. 71 Chapter Review Materials p. 72 Analog and Digital Communications Concepts p. 76 Representing Data as Analog Signals p. 77 Representing Data as Digital Signals p. 87 Data Rate and Baud Rate Redux p. 92 Digital Carrier Systems p. 93 End-of-Chapter Commentary p. 100 Chapter Review Materials p. 100 Physical, Data Link, and Network Layer Concepts p. 107 Physical Layer Concepts p. 108 What Is the Physical Layer? p. 109 The Physical and Electrical Characteristics of Wire p. 110 Copper Media p. 116 Fiber-Optic Media p. 120 Wireless Communications p. 124 Satellite Communications p. 129 Structured Cabling Systems p. 133 End-of-Chapter Commentary p. 135 Chapter Review Materials p. 135 Data Link Layer Concepts and IEEE LAN Standards p. 139 What Is the Data Link Layer? p. 140
The Logical Link Control (LLC) Sublayer p. 142 The Media Access Control (MAC) Sublayer p. 158 Data Prioritization and Quality of Service p. 163 End-of-Chapter Commentary p. 166 Chapter Review Materials p. 166 Network Hardware Components (Layers 1 and 2) p. 170 What Are Connectors? p. 171 Transceivers and Media Converters p. 174 Repeaters p. 177 Network Interface Cards and PC Cards p. 179 Bridges p. 182 Switches p. 188 End-of-Chapter Commentary p. 192 Chapter Review Materials p. 192 Internetworking and Network Layer Concepts and Components p. 195 Internetworking Concepts p. 196 The Network Layer and Routing Concepts p. 200 Sample Routing Protocols p. 208 Routers and Switches p. 215 Virtual Private Networks (VPNs) p. 218 End-of-Chapter Commentary p. 223 Chapter Review Materials p. 223 The Internet and TCP/IP p. 229 What Is the Internet? p. 230 Internet History p. 231 Internet Administration p. 240 What Is TCP/IP? p. 243 TCP/IP's Transport and Network Layer Protocols p. 248 IP Addresses p. 263 IPv6 p. 274 TCP/IP Application Level Protocols p. 281 End-of-Chapter Commentary p. 304 Chapter Review Materials p. 304 Local and Wide Area Networking Technologies p. 311 Ethernet and IEEE 802.3 Networks p. 312 The History of Ethernet p. 313 10-MBPS Ethernet / 802.3 LANS p. 316 Switched Ethernet, Full-Duplex Ethernet, and Virtual LANs p. 328 100-MBPS Ethernet LANs p. 337 Gigabit Ethernet p. 346 Other Ethernet-Related Projects p. 354
End-of-Chapter Commentary p. 355 Chapter Review Materials p. 355 Token Ring p. 361 What Is Token Ring? p. 362 Physical Layer Specifications p. 364 Frame Formats p. 365 Priority and Reservation p. 368 Monitor Stations p. 369 Second-Generation Token Ring p. 370 Token Ring versus Token Bus p. 374 End-of-Chapter Commentary p. 375 Chapter Review Materials p. 375 Fiber Distributed Data Interface (FDDI) p. 378 What Is FDDI? p. 379 Physical Layer Specifications p. 381 Frame Formats and Medium Access Specifications p. 382 Configuration and Design Issues p. 386 Interconnecting FDDI with Ethernet/802.3 or ATM Networks p. 388 The Future of FDDI p. 390 End-of-Chapter Commentary p. 390 Chapter Review Materials p. 391 Integrated Services Digital Network (ISDN) p. 393 What Is ISDN? p. 394 ISDN Components p. 398 ISDN Channel Types p. 400 Basic and Primary Rate Interfaces p. 402 ISDN Protocols p. 404 ISDN Features, Services, and Applications p. 406 Other ISDN Initiatives p. 410 End-of-Chapter Commentary p. 411 Chapter Review Materials p. 412 Frame Relay p. 416 What Is Frame Relay? p. 417 Frame Relay Circuits p. 420 Technical Overview and Data Link Layer Issues p. 427 Additional Frame Relay Information p. 434 End-of-Chapter Commentary p. 437 Chapter Review Materials p. 437 Switched Multimegabit Data Service (SMDS) p. 441 What Is SMDS? p. 442 SMDS Technical Overview p. 444
The SMDS Interface Protocol (SIP) p. 447 SMDS Addressing p. 451 SMDS versus Other LAN-to-LAN Technologies p. 452 Status of SMDS Today p. 453 End-of-Chapter Commentary p. 455 Chapter Review Materials p. 455 Asynchronous Transfer Mode (ATM) p. 458 What Is ATM? p. 459 General Concepts and Operation p. 461 ATM Interface Standards p. 463 ATM Cells, Virtual Connections, and Addressing p. 465 ATM Adaptation Layer (AAL) p. 470 ATM and Convergence Technology p. 472 ATM versus Other Technologies and Services p. 473 End-of-Chapter Commentary p. 477 Chapter Review Materials p. 477 Related Networking Concepts, Applications, and Technologies Dialup and Home Networking p. 482 What Is Dialup Networking? p. 483 Analog Modem Concepts p. 485 DSL Service p. 490 Cable Modems p. 498 Home Networking Concepts and Issues p. 501 End-of-Chapter Commentary p. 507 Chapter Review Materials p. 508 Network Security Issues p. 512 What Is Network Security? p. 513 Threat Assessment p. 513 Network Attacks and Security Measures Considerations p. 518 Firewalls p. 524 Encryption Methods p. 528 Authentication and Access Control Measures p. 537 Virtual Private Networks and Internet Security p. 539 End-of-Chapter Commentary p. 545 Chapter Review Materials p. 545 Network Convergence p. 549 What Is Network Convergence? p. 550 Networking Issues and Convergence p. 554 Effects of Network Convergence on Businesses p. 559 Convergence at Home p. 565 End-of-Chapter Commentary p. 566
Chapter Review Materials p. 567 Vendor Ethernet/802.3 Prefixes p. 570 Using Parity for Single-Bit Error Correction p. 571 Guidelines for Installing UTP Cable p. 574 Network Design and Analysis Guidelines; Network Politics p. 576 X.25 p. 582 Glossary p. 587 Index p. 617 Table of Contents provided by Blackwell's Book Services and R.R. Bowker. Used with permission.