网络通信技术 英文版PDF电子书下载

1 Introduction to Computer Networks 1

Introduction 1

1．1 Network Models 2

1．2 Network Components 3

1．3 Network Topology 4

1．4 Types of Networks 8

Summary 10

Review Questions 11

Introduction 15

2 Introduction to Data Communication 15

2．1 Characteristics of Analog Signals 16

2．2 Digital Signals 17

2．3 Binary Numbers 18

2．4 Coding Schemes 19

2．5 Transmission Modes 20

2．6 Transmission Methods 23

2．7 Commununication Modes 24

2．8 Bandwidth and Signal Transmission 25

2．9 Digital Signal Encoding 26

20．3 Types of ATM Connection 27

2．10 Error Detection Methods 28

Summary 34

Review Questions 36

3 Introduction to Computer Architecture 41

Introduction 41

3．1 Components of a Microcomputer 41

3．2 Memory Hierarchy 48

3．3 Disk Controller 49

3．4 Microcomputer Bus 50

3．5 Plug-and-Play 52

3．6 Universal Serial Bus 53

3．7 Intel Microprocessor Family 54

Summary 55

Review Questions 56

4 Standards Organizations and OSI Model 59

Introduction 59

4．1 Communication Protocols 60

4．2 Open System Interconnection Model 61

4．3 Frame Transmission Methods 65

4．4 Error and Flow Control 67

4．5 IEEE 802 Standard Committee 70

Summary 73

Review Questions 75

5 Communication Channels and Media 79

Introduction 79

5．1 Conductive Media 79

5．2 Fiber-Optic Cable 81

5．3 Wireless Transmission 84

Summary 86

Review Questions 87

6 Multipiexers and Switching Concepts 89

Introduction 89

6．1 Types of Multiplexers 90

6．3 Digitizing the Voice 92

6．2 Telephone System Operation 92

6．4 T1 Link 93

6．5 Switching Concepts 94

Summary 97

Review Questions 98

7 Modem,DSL,Cable Modem,and ISDN 101

Introduction 101

7．1 Modem 101

7．2 Digital Subscriber Line 108

7．3 Cable Modem 110

7．4 Integrated Services Digital Network 114

Summary 118

Review Questions 120

8 Ethernet and IEEE 802.3 Networking Technology 123

Introduction 123

8．1 Ethernet Operation 123

8．2 IEEE 802.3 Frame Format 124

8．3 Ethernet Characteristics 127

8．4 Ethernet Cabling and Components 127

Summary 132

Review Questions 133

9 Token Ring and Token Bus Networking Technology 137

Introduction 137

9．1 Token Ring Operation 138

9．2 Physical Connections 139

9．3 Ring Management 140

9．4 Token Frame Format 141

9．5 IEEE 802.5 Frame Format 142

9．6 Token Ring NIC and Cable Specifications 144

9．7 Token Bus（IEEE 802.4） 145

Summary 146

Review Questions 147

10 Fast Ethernet Networking Technology 149

Introduction 149

10．1 Fast Ethernet 149

10．2 Fast Ethernet Media Types 150

10．3 Fast Ethernet Repeaters 153

10．4 Fast Ethernet Network Diameter 154

10．5 Expanding Fast Ethernet 156

Summary 156

Review Questions 157

Introduction 159

11 100VG-AnyLAN Networking Technology 159

11．1 End Node Operation 160

11．2 Repeater and Access Method 161

11．3 100 VG-AnyLAN Transmission Media 162

11．4 Frame Transmission Method 162

11．5 100 VG-AnyLAN Frame Format 163

Summary 165

Review Questions 166

12．1 Ethernet LAN Switching 169

12 Local Area Network Switching 169

Introduction 169

12．3 Switch Operations 171

12．2 Switch Classifications 171

12．4 Switcy Architecture 172

12．5 Virtual LAN 173

12．6 Firewall 174

Summary 177

Review Questions 178

13 Gigabit Ethernet Networking Technology 181

Introduction 181

13．1 Gigabit Ethernet Standards 182

13．2 Characteristics of Gigabit Ethernet 182

13．3 Gigabit Ethernet Protocol Architecture 182

13．4 MAC and Physical Layer Architecture 185

13．5 Buffered Distributor Device 186

13．6 Gigabit Ethernet Applications 186

Review Questions 189

Summary 189

14 LAN Interconnection Devices 193

Introduction 193

14．1 Repeaters 193

14．2 Bridges 194

14．3 Routers 195

14．4 Gateways 197

14．5 CSU/DSU 197

Summary 198

Review Questions 199

Introduction 201

15 Wireless Local Area Networks（WLAN） 201

15．1 Wireless LAN Topology 201

15．2 Wireless LAN Technology 203

15．3 WLAN Standard （IEEE802.11） 205

15．4 Characteristics of WLANs 209

Summary 210

Review Questions 210

16 Fiber Distributed Data Interface 213

Introduction 213

16．1FDDI Technology 213

16．2 FDDI Layered Architecture 214

16．3 FDDI Ports 216

16．4 FDDI Access Method 217

16．5 FDDI Fault Tolerance 217

16．6 FDDI Bit Transmission 218

16．7 FDDI Frame and Token Formats 219

16．8 FDDI Backbone 219

Summary 219

Review Questions 221

17 Synchronous Optical Network（SONET） 223

Introduction 223

17．1 Characteristics of SONET 223

17．2 SONET Componets 224

17．3 SONET Signal Rates 225

17．4 SONET Frame Format 225

17．5 SONET Multiplexing 226

17．6 Virtual Tributaries 227

Summary 228

Review Questions 229

Introduction 233

18 Frame Relay 233

18．1 Frame Relay Network 234

18．2 Componets of Frame Relay 234

18．3 Frame Relay Frame Format 235

18．4 Frame Relay Operation 236

Summary 238

Review Questions 238

19 Internet Architecture and TCP/IP 241

Introduction 242

19．1The Internet Architecture Board（IAB） 245

19．2 TCP/IP Reference Model 245

19．3 TCP/IP Application Level 246

19．4 Transport Level Protocols:UDP and TCP 248

19．5 Internet Level Protocols:IP and ARP 251

19．6 Ipv4 Addressing 256

19．7 Assigning IP Addresses 258

19．8 Point-to-Point Protocol 260

19．9 Demultiplexing Information 261

19．10 TCP Connection and Disconnection 261

19．11 Internet Protocol Version 6（Ipv6） 263

19．12 Internet II 267

Summary 267

Review Questions 269

20 Asynchronous Transfer Mode 275

Introduction 276

20．1 ATM Netowrk Componets and Characteristics 276

20．2 ATM Forum 277

20．4 ATM Switch Operation 278

20．5 ATM Switch Architecture 279

20．6 ATM Connection Setup Through ATM Signaling 280

20．7ATM Cell Format 280

20．8 ATM Protocol 282

20．9 Types of Adaptation Layers 285

20．10 Comparing ATM with Gigabit Ethernet 289

Summary 289

Review Questions 290

21 Network Operating System 295

Introduction 295

21．1 BIOS and DOS 295

21．2 NetBIOS and NOS 296

21．3 Windows NT:New Technology 296

21．4 Novell NetWare Operating System 299

Summary 300

Review Questions 301

Appendix A:Computer and Communication Connectors 305

Answers to Odd-Numbered Questions 313

Acronyms 331

Index 339