Business Data Communications

Name: Business Data Communications
Availability: OutOfStock
ISBN: 9780071121941

ISBN-10: 0071121943

ISBN-13: 9780071121941

Edition: 2003

Authors: Behrouz A. Forouzan

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Description:

Forouzan's Business Data Communications is designed for use in a data communications course for business majors. To this end, the book blends an accessible technical presentation of important networking concepts with many business applications. Pedagogy is a key component of the Forouzan approach. Each chapters is mapped out with chapter objectives and an overview at the beginning. Throughout the chapter, Forouzan makes use of Business Emphasis boxes to pull out important business applications. Technical Emphasis Boxes are also used to provide optional, additional technical material. Each chapter ends with a running case study, as well as extensive problem sets. Business Data Communications…

Book details

Copyright year: 2003
Publisher: McGraw-Hill Companies, The
Binding: Paperback
Pages: 407
Size: 7.00" wide x 9.00" long x 0.60" tall
Weight: 1.408
Language: English

Preface	p. xix
Data Communications Basics
Introduction	p. 3
Data Communications	p. 3
Components	p. 4
Networks	p. 5
Distributed Processing	p. 5
Network Criteria	p. 6
Type of Networks	p. 7
Protocols and Standards	p. 10
Protocols	p. 10
Standards	p. 11
Standards Organizations	p. 12
Standards Creation Committees	p. 12
Forums	p. 12
Regulatory Agencies	p. 12
Network Models	p. 14
The OSI Model	p. 15
Presentation Layer	p. 16
The Internet Model	p. 22
Key Terms	p. 25
Summary	p. 25
Practice Set	p. 26
Application Layer	p. 31
Introduction	p. 31
Client-Server Paradigm	p. 32
Client	p. 34
Server	p. 34
Addressing	p. 34
Electronic Mail	p. 35
Email and Snail Mail	p. 35
Components	p. 36
Mail Delivery	p. 37
Mail Access Protocols	p. 38
Addresses	p. 39
Multipurpose Internet Mail Extension (MIME)	p. 40
File Transfer	p. 41
File Transfer Protocol (FTP)	p. 42
Trivial File Transfer Protocol (TFTP)	p. 43
General-Purpose Application: Telnet	p. 43
World Wide Web (WWW)	p. 45
Hypertext and Hypermedia	p. 45
Components of WWW	p. 47
Hypertext Transfer Protocol (HTTP)	p. 47
Addresses	p. 48
Videoconferencing	p. 50
Compression	p. 51
Group Discussion: Listserv	p. 51
Subscribing	p. 52
Sending Email	p. 52
Unsubscribing	p. 52
Business Application	p. 53
Chatting	p. 53
Key Terms	p. 54
Summary	p. 54
Practice Set	p. 55
Transport Layer	p. 59
Application-to-Application Delivery	p. 59
Duties	p. 60
Packetizing	p. 60
Creating Connection	p. 61
Addressing	p. 63
Reliability	p. 66
Internet Protocols	p. 69
User Datagram Protocol (UDP)	p. 70
Transmission Control Protocol (TCP)	p. 71
Key Terms	p. 73
Summary	p. 74
Practice Set	p. 74
Network Layer	p. 77
Introduction	p. 77
Addressing	p. 78
Address Hierarchy	p. 79
Address Resolution	p. 81
An Example	p. 83
Routing	p. 84
Which Route?	p. 85
How to Route?	p. 86
Routing Tables	p. 87
Size of Routing Table	p. 88
Static Versus Dynamic Routing	p. 89
Routing Protocols	p. 90
Packetizing: IP Protocol	p. 91
IP Protocol	p. 91
Datagram	p. 92
Fragmenting	p. 93
Key Terms	p. 95
Summary	p. 95
Practice Set	p. 95
Data Link Layer	p. 99
Duties of the Data Link Layer	p. 99
Hop-to-Hop Delivery	p. 100
Packetizing	p. 101
Addressing	p. 101
Address Resolution	p. 102
Error Control	p. 103
Source of Errors	p. 103
Types of Errors	p. 105
Error Prevention	p. 105
Error Detection	p. 106
Error Correction	p. 109
Flow Control	p. 111
Medium Access Control	p. 112
Controlled Access	p. 112
Random Access	p. 115
Data Link Protocols	p. 116
Asynchronous Protocols	p. 117
Synchronous Protocols	p. 117
Key Terms	p. 119
Summary	p. 119
Practice Set	p. 120
Physical Layer	p. 125
Digital and Analog	p. 125
Digital and Analog Data	p. 126
Digital and Analog Signals	p. 127
Complex Signal	p. 131
Bandwidth	p. 132
Digital Signal as a Complex Signal	p. 132
Transforming Data to Signals	p. 133
Digital Encoding: Digital-to-Digital Conversion	p. 134
Modulation of Digital Data: Digital-to-Analog Conversion	p. 136
Sampling Analog Data: Analog-to-Digital Conversion	p. 140
Transmission Modes	p. 142
Line Configuration	p. 146
Point-to-Point	p. 146
Multipoint	p. 147
Duplexity	p. 147
Half-Duplex	p. 147
Full-Duplex	p. 148
Multiplexing: Sharing the Media	p. 148
Channel versus Link	p. 148
Frequency-Division Multiplexing (FDM)	p. 149
Wave-Division Multiplexing (WDM)	p. 151
Time-Division Multiplexing (TDM)	p. 152
Inverse Multiplexing	p. 154
Key Terms	p. 156
Summary	p. 157
Practice Set	p. 158
Transmission Media	p. 163
Guided Media	p. 163
Twisted-Pair Cable	p. 164
Coaxial Cable	p. 166
Optical Fiber	p. 167
Unguided Media	p. 170
Terrestrial Microwave	p. 170
Media Comparison	p. 173
Key Terms	p. 175
Summary	p. 175
Practice Set	p. 176
Telephone and Cable TV Networks: Residential Connection to the Internet	p. 179
Telephone System	p. 179
Major Components	p. 180
LATAs	p. 181
Making a Connection	p. 182
Internet Access Via Telephone	p. 185
Conventional Modems	p. 186
56K Modems (V.90)	p. 188
DSL Modems	p. 189
Cable TV Network	p. 190
Internet Access via Cable TV	p. 191
Sharing	p. 192
Key Terms	p. 194
Summary	p. 194
Practice Set	p. 194
LAN and WAN Technology
Local Area Networks Part 1: Basic Concepts and Wired Ethernet LANs	p. 199
Basic Concepts	p. 199
LAN Components	p. 200
LAN Models	p. 200
LAN Applications	p. 203
Topology	p. 204
Project 802	p. 206
Wired Ethernet Lans	p. 208
Traditional Ethernet	p. 208
Switched Ethernet	p. 211
Fast Ethernet	p. 212
Gigabit Ethernet	p. 214
Key Terms	p. 216
Summary	p. 217
Practice Set	p. 217
Local Area Networks Part 2: Wireless and Virtual LANs	p. 221
Wireless Lans	p. 221
Wireless Transmission	p. 222
IEEE 802.11: RF Lans	p. 223
Architecture	p. 223
Station Types	p. 225
Access Method	p. 225
Implementation	p. 226
IEEE 802.11: Infrared Lans	p. 227
Point-to-Point	p. 227
Diffused	p. 227
IEEE 802.15 Lans: Bluetooth Lans	p. 228
Applications	p. 228
Architecture	p. 228
Bluetooth Devices	p. 230
Virtual Lans	p. 230
Membership	p. 232
Configuration	p. 233
Communication Between Switches	p. 233
IEEE Standard	p. 234
Advantages	p. 234
Key Terms	p. 235
Summary	p. 236
Practice Set	p. 236
Wide Area Networks	p. 241
Point-to-Point WANs	p. 241
T Lines	p. 242
Sonet	p. 243
Switched WANs	p. 244
X.25	p. 245
Frame Relay	p. 245
ATM	p. 247
ATM LANs	p. 251
ATM LAN Architecture	p. 251
Key Terms	p. 254
Summary	p. 255
Practice Set	p. 256
Internetworking and Internet
Connecting LANs and WANs: Making Backbone Networks	p. 261
Connecting Devices	p. 261
Repeaters	p. 262
Bridges	p. 264
Routers	p. 265
Switches	p. 267
Backbone Networks	p. 268
Logical Bus Backbone	p. 268
Logical Star Backbone	p. 270
Key Terms	p. 272
Summary	p. 273
Practice Set	p. 273
The Internet	p. 277
History and Administration	p. 277
Arpanet	p. 278
Birth of the Internet	p. 278
Transmission Control Protocol/Internetworking Protocol (TCP/IP)	p. 278
The Internet Today	p. 279
Growth of the Internet	p. 281
Internet Standards	p. 282
Internet Administration	p. 283
TCP/IP Protocol Suite	p. 284
Network Layer	p. 285
Transport Layer	p. 289
Application Layer	p. 292
Next Generation	p. 292
Access to the Internet	p. 293
Residential Access	p. 293
Organizational Access	p. 293
Private Networks: Intranet and Extranet	p. 293
Intranet	p. 293
Extranet	p. 294
Key Terms	p. 295
Summary	p. 296
Practice Set	p. 297
Security and Management
Network Security: Firewalls and VPNs	p. 303
Introduction	p. 304
Privacy	p. 304
Authentication	p. 304
Integrity	p. 305
Nonrepudiation	p. 305
Privacy	p. 305
Secret-Key Encryption/Decryption	p. 305
Public-Key Encryption	p. 306
Digital Signature	p. 307
Signing the Whole Document	p. 307
Signing the Digest	p. 308
Security in the Internet	p. 310
Application Layer Security	p. 310
Transport Layer Security	p. 310
Security at the IP Layer	p. 311
Firewalls	p. 311
Packet-Filter Firewall	p. 312
Proxy Firewall	p. 312
Virtual Private Networks (VPN)	p. 312
Achieving Privacy	p. 312
VPN Technology	p. 314
Access Control	p. 315
Passwords	p. 315
Tokens	p. 315
Biometrics	p. 315
Key Terms	p. 316
Summary	p. 317
Practice Set	p. 317
Network Analysis, Design, and Implementation	p. 321
Network Development Life Cycle	p. 321
Analysis Phase	p. 323
Baselining	p. 323
Needs Analysis	p. 324
Design Phase	p. 327
Upper-Layer Protocols	p. 327
Lower-Layer Protocols	p. 327
Hardware	p. 328
Global Connection	p. 328
Implementation Phase	p. 328
Purchasing	p. 329
Installation	p. 329
User Training	p. 329
Testing	p. 329
Documentation	p. 329
Key Terms	p. 330
Summary	p. 330
Practice Set	p. 331
Network Management	p. 333
Configuration Management	p. 334
Reconfiguration	p. 334
Documentation	p. 335
Fault Management	p. 336
Reactive Fault Management	p. 336
Proactive Fault Management	p. 337
Performance Management	p. 337
Capacity	p. 337
Traffic	p. 338
Throughput	p. 338
Response Time	p. 338
Accounting Management	p. 339
Security Management	p. 339
Network Management Tools	p. 339
Software Tools	p. 339
Hardware Tools	p. 341
Key Terms	p. 342
Summary	p. 343
Practice Set	p. 343
ASCII Code	p. 347
Numbering Systems and Transformation	p. 351
Numbering Systems	p. 351
Decimal Numbers	p. 351
Binary Numbers	p. 352
Octal Numbers	p. 353
Hexadecimal Numbers	p. 354
Transformation	p. 355
From Other Systems to Decimal	p. 356
From Decimal to Other Systems	p. 356
From Binary to Octal or Hexadecimal	p. 357
From Octal or Hexadecimal to Binary	p. 358
Contact Addresses	p. 359
ATM Forum	p. 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
Glossary	p. 361
Index	p. 383
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