Cover image for Business data communications
Title:
Business data communications
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Series:
McGraw-Hill Forouzan networking series
Publication Information:
New York, NY : McGraw-Hill Higher Education, 2003
ISBN:
9780072397024

9780071121941

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30000010141345 HD30.37 F67 2003 Open Access Book Book
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Summary

Summary

Designed for use in a data communications course for business majors. This book blends technical presentation of important networking concepts with many business applications. It includes pedagogy as a key component. It includes: PowerPoints, solutions, quizzes, animations of key concepts, and a testbank.


Table of Contents

Prefacep. xix
Part I Data Communications Basics
Chapter 1 Introductionp. 3
1.1 Data Communicationsp. 3
Componentsp. 4
1.2 Networksp. 5
Distributed Processingp. 5
Network Criteriap. 6
Type of Networksp. 7
1.3 Protocols and Standardsp. 10
Protocolsp. 10
Standardsp. 11
1.4 Standards Organizationsp. 12
Standards Creation Committeesp. 12
Forumsp. 12
Regulatory Agenciesp. 12
1.5 Network Modelsp. 14
The OSI Modelp. 15
Presentation Layerp. 16
The Internet Modelp. 22
1.6 Key Termsp. 25
1.7 Summaryp. 25
Practice Setp. 26
Chapter 2 Application Layerp. 31
2.1 Introductionp. 31
2.2 Client-Server Paradigmp. 32
Clientp. 34
Serverp. 34
2.3 Addressingp. 34
2.4 Electronic Mailp. 35
Email and Snail Mailp. 35
Componentsp. 36
Mail Deliveryp. 37
Mail Access Protocolsp. 38
Addressesp. 39
Multipurpose Internet Mail Extension (MIME)p. 40
2.5 File Transferp. 41
File Transfer Protocol (FTP)p. 42
Trivial File Transfer Protocol (TFTP)p. 43
2.6 General-Purpose Application: Telnetp. 43
2.7 World Wide Web (WWW)p. 45
Hypertext and Hypermediap. 45
Components of WWWp. 47
Hypertext Transfer Protocol (HTTP)p. 47
Addressesp. 48
2.8 Videoconferencingp. 50
Compressionp. 51
2.9 Group Discussion: Listservp. 51
Subscribingp. 52
Sending Emailp. 52
Unsubscribingp. 52
Business Applicationp. 53
2.10 Chattingp. 53
2.11 Key Termsp. 54
2.12 Summaryp. 54
Practice Setp. 55
Chapter 3 Transport Layerp. 59
3.1 Application-to-Application Deliveryp. 59
3.2 Dutiesp. 60
Packetizingp. 60
Creating Connectionp. 61
Addressingp. 63
Reliabilityp. 66
3.3 Internet Protocolsp. 69
User Datagram Protocol (UDP)p. 70
Transmission Control Protocol (TCP)p. 71
3.4 Key Termsp. 73
3.5 Summaryp. 74
Practice Setp. 74
Chapter 4 Network Layerp. 77
4.1 Introductionp. 77
4.2 Addressingp. 78
Address Hierarchyp. 79
Address Resolutionp. 81
An Examplep. 83
4.3 Routingp. 84
Which Route?p. 85
How to Route?p. 86
Routing Tablesp. 87
Size of Routing Tablep. 88
Static Versus Dynamic Routingp. 89
Routing Protocolsp. 90
4.4 Packetizing: IP Protocolp. 91
IP Protocolp. 91
Datagramp. 92
4.5 Fragmentingp. 93
4.6 Key Termsp. 95
4.7 Summaryp. 95
Practice Setp. 95
Chapter 5 Data Link Layerp. 99
5.1 Duties of the Data Link Layerp. 99
5.2 Hop-to-Hop Deliveryp. 100
5.3 Packetizingp. 101
5.4 Addressingp. 101
Address Resolutionp. 102
5.5 Error Controlp. 103
Source of Errorsp. 103
Types of Errorsp. 105
Error Preventionp. 105
Error Detectionp. 106
Error Correctionp. 109
5.6 Flow Controlp. 111
5.7 Medium Access Controlp. 112
Controlled Accessp. 112
Random Accessp. 115
5.8 Data Link Protocolsp. 116
Asynchronous Protocolsp. 117
Synchronous Protocolsp. 117
5.9 Key Termsp. 119
5.10 Summaryp. 119
Practice Setp. 120
Chapter 6 Physical Layerp. 125
6.1 Digital and Analogp. 125
Digital and Analog Datap. 126
Digital and Analog Signalsp. 127
Complex Signalp. 131
Bandwidthp. 132
Digital Signal as a Complex Signalp. 132
6.2 Transforming Data to Signalsp. 133
Digital Encoding: Digital-to-Digital Conversionp. 134
Modulation of Digital Data: Digital-to-Analog Conversionp. 136
Sampling Analog Data: Analog-to-Digital Conversionp. 140
6.3 Transmission Modesp. 142
6.4 Line Configurationp. 146
Point-to-Pointp. 146
Multipointp. 147
6.5 Duplexityp. 147
Half-Duplexp. 147
Full-Duplexp. 148
6.6 Multiplexing: Sharing the Mediap. 148
Channel versus Linkp. 148
Frequency-Division Multiplexing (FDM)p. 149
Wave-Division Multiplexing (WDM)p. 151
Time-Division Multiplexing (TDM)p. 152
Inverse Multiplexingp. 154
6.7 Key Termsp. 156
6.8 Summaryp. 157
Practice Setp. 158
Chapter 7 Transmission Mediap. 163
7.1 Guided Mediap. 163
Twisted-Pair Cablep. 164
Coaxial Cablep. 166
Optical Fiberp. 167
Unguided Mediap. 170
Terrestrial Microwavep. 170
Media Comparisonp. 173
7.2 Key Termsp. 175
7.3 Summaryp. 175
Practice Setp. 176
Chapter 8 Telephone and Cable TV Networks: Residential Connection to the Internetp. 179
8.1 Telephone Systemp. 179
Major Componentsp. 180
LATAsp. 181
Making a Connectionp. 182
8.2 Internet Access Via Telephonep. 185
Conventional Modemsp. 186
56K Modems (V.90)p. 188
DSL Modemsp. 189
8.3 Cable TV Networkp. 190
Internet Access via Cable TVp. 191
Sharingp. 192
8.4 Key Termsp. 194
8.5 Summaryp. 194
Practice Setp. 194
Part II LAN and WAN Technology
Chapter 9 Local Area Networks Part 1: Basic Concepts and Wired Ethernet LANsp. 199
9.1 Basic Conceptsp. 199
LAN Componentsp. 200
LAN Modelsp. 200
LAN Applicationsp. 203
Topologyp. 204
Project 802p. 206
9.2 Wired Ethernet Lansp. 208
Traditional Ethernetp. 208
Switched Ethernetp. 211
Fast Ethernetp. 212
Gigabit Ethernetp. 214
9.3 Key Termsp. 216
9.4 Summaryp. 217
Practice Setp. 217
Chapter 10 Local Area Networks Part 2: Wireless and Virtual LANsp. 221
10.1 Wireless Lansp. 221
Wireless Transmissionp. 222
10.2 IEEE 802.11: RF Lansp. 223
Architecturep. 223
Station Typesp. 225
Access Methodp. 225
Implementationp. 226
10.3 IEEE 802.11: Infrared Lansp. 227
Point-to-Pointp. 227
Diffusedp. 227
10.4 IEEE 802.15 Lans: Bluetooth Lansp. 228
Applicationsp. 228
Architecturep. 228
Bluetooth Devicesp. 230
10.5 Virtual Lansp. 230
Membershipp. 232
Configurationp. 233
Communication Between Switchesp. 233
IEEE Standardp. 234
Advantagesp. 234
10.6 Key Termsp. 235
10.7 Summaryp. 236
Practice Setp. 236
Chapter 11 Wide Area Networksp. 241
11.1 Point-to-Point WANsp. 241
T Linesp. 242
Sonetp. 243
11.2 Switched WANsp. 244
X.25p. 245
Frame Relayp. 245
ATMp. 247
11.3 ATM LANsp. 251
ATM LAN Architecturep. 251
11.4 Key Termsp. 254
11.5 Summaryp. 255
Practice Setp. 256
Part III Internetworking and Internet
Chapter 12 Connecting LANs and WANs: Making Backbone Networksp. 261
12.1 Connecting Devicesp. 261
Repeatersp. 262
Bridgesp. 264
Routersp. 265
Switchesp. 267
12.2 Backbone Networksp. 268
Logical Bus Backbonep. 268
Logical Star Backbonep. 270
12.3 Key Termsp. 272
12.4 Summaryp. 273
Practice Setp. 273
Chapter 13 The Internetp. 277
13.1 History and Administrationp. 277
Arpanetp. 278
Birth of the Internetp. 278
Transmission Control Protocol/Internetworking Protocol (TCP/IP)p. 278
The Internet Todayp. 279
Growth of the Internetp. 281
Internet Standardsp. 282
Internet Administrationp. 283
13.2 TCP/IP Protocol Suitep. 284
Network Layerp. 285
Transport Layerp. 289
Application Layerp. 292
13.3 Next Generationp. 292
13.4 Access to the Internetp. 293
Residential Accessp. 293
Organizational Accessp. 293
13.5 Private Networks: Intranet and Extranetp. 293
Intranetp. 293
Extranetp. 294
13.6 Key Termsp. 295
13.7 Summaryp. 296
Practice Setp. 297
Part IV Security and Management
Chapter 14 Network Security: Firewalls and VPNsp. 303
14.1 Introductionp. 304
Privacyp. 304
Authenticationp. 304
Integrityp. 305
Nonrepudiationp. 305
14.2 Privacyp. 305
Secret-Key Encryption/Decryptionp. 305
Public-Key Encryptionp. 306
14.3 Digital Signaturep. 307
Signing the Whole Documentp. 307
Signing the Digestp. 308
14.4 Security in the Internetp. 310
Application Layer Securityp. 310
Transport Layer Securityp. 310
Security at the IP Layerp. 311
14.5 Firewallsp. 311
Packet-Filter Firewallp. 312
Proxy Firewallp. 312
14.6 Virtual Private Networks (VPN)p. 312
Achieving Privacyp. 312
VPN Technologyp. 314
14.7 Access Controlp. 315
Passwordsp. 315
Tokensp. 315
Biometricsp. 315
14.8 Key Termsp. 316
14.9 Summaryp. 317
Practice Setp. 317
Chapter 15 Network Analysis, Design, and Implementationp. 321
15.1 Network Development Life Cyclep. 321
15.2 Analysis Phasep. 323
Baseliningp. 323
Needs Analysisp. 324
15.3 Design Phasep. 327
Upper-Layer Protocolsp. 327
Lower-Layer Protocolsp. 327
Hardwarep. 328
Global Connectionp. 328
15.4 Implementation Phasep. 328
Purchasingp. 329
Installationp. 329
User Trainingp. 329
Testingp. 329
Documentationp. 329
15.5 Key Termsp. 330
15.6 Summaryp. 330
Practice Setp. 331
Chapter 16 Network Managementp. 333
16.1 Configuration Managementp. 334
Reconfigurationp. 334
Documentationp. 335
16.2 Fault Managementp. 336
Reactive Fault Managementp. 336
Proactive Fault Managementp. 337
16.3 Performance Managementp. 337
Capacityp. 337
Trafficp. 338
Throughputp. 338
Response Timep. 338
16.4 Accounting Managementp. 339
16.5 Security Managementp. 339
16.6 Network Management Toolsp. 339
Software Toolsp. 339
Hardware Toolsp. 341
16.7 Key Termsp. 342
16.8 Summaryp. 343
Practice Setp. 343
Appendix A ASCII Codep. 347
Appendix B Numbering Systems and Transformationp. 351
B.1 Numbering Systemsp. 351
Decimal Numbersp. 351
Binary Numbersp. 352
Octal Numbersp. 353
Hexadecimal Numbersp. 354
B.2 Transformationp. 355
From Other Systems to Decimalp. 356
From Decimal to Other Systemsp. 356
From Binary to Octal or Hexadecimalp. 357
From Octal or Hexadecimal to Binaryp. 358
Appendix C Contact Addressesp. 359
ATM Forump. 359
Federal Communications Commission (FCC)p. 359
Institute of Electrical and Electronics Engineers (IEEE)p. 359
International Organization for Standardization (ISO)p. 359
International Telecommunication Union (ITU)p. 360
Internet Architecture Board (IAB)p. 360
Internet Corporation for Assigned Names and Numbers (ICANN)p. 360
Internet Engineering Steering Group (IESG)p. 360
Internet Engineering Task Force (IETF)p. 360
Internet Research Task Force (IRTF)p. 360
Internet Society (ISOC)p. 360
Glossaryp. 361
Indexp. 383