Business data communications: basic concepts, security, and design
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
New York u.a.
Wiley
1993
|
| Ausgabe: | 4. ed. |
| Schriftenreihe: | Wiley series in computers and information processing systems for business
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 5. ed. u.d.T.: FitzGerald, Jerry: Business data communications and networking |
| Beschreibung: | XXV, 722, 52 S. Ill., graph. Darst., Kt. |
| ISBN: | 0471599832 |
Internformat
MARC
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| 245 | 1 | 0 | |a Business data communications |b basic concepts, security, and design |c Jerry FitzGerald |
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| 264 | 1 | |a New York u.a. |b Wiley |c 1993 | |
| 300 | |a XXV, 722, 52 S. |b Ill., graph. Darst., Kt. | ||
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Datensatz im Suchindex
| _version_ | 1804122125168017408 |
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| adam_text | SUMMARY CONTENTS
1 INTRODUCTION TO DATA COMMUNICATIONS 1
History/Definition/ Usesi Basic Components/Types of Networks/Current and
Future Networks I EDI/Telecom Careers
2 VOICE COMMUNICATIONS 35
Voice Network/Bandwidth/Signaling/Voice and Data Switches IPBX/CENTREX/
ANI/IVRI Decibels/TASI/Dial up/Echo Suppression Cancellation/Data over Voice I
Voice Mail/Capacity of a Voice Grade Circuit
3 DATA COMMUNICATION HARDWARE (PART 1) 80
Host Mainframe/Network Control/Front Ends I Modems IV.32IVA21 Terminals I FAX
4 DATA COMMUNICATION HARDWARE (PART 2) 122
FDM/TDM/STDM/Fast Packet/Digital Cross Connect/Controllers/Protocol
Converters/Encryption/T 1 Multiplexing
5 FUNDAMENTAL COMMUNICATION CONCEPTS 148
Async/Sync/Analog/Digital/Modulation/Two and Four Wire IHDXIFDXI
Amplifiers I Baud I Codes IRS 2S21 End Office/Twisted Pairs I Coaxial I Fiber I
Microwave/Satellite/Cellular/ PollingITRIBiEfficiency/Basic Electricity
6 NETWORK CONFIGURATIONS 221
Ring/Bus/Star/Mesh/WAN/MAN/BN/LAN/Multiplex/Multipoint/Point to Point/
Packet Switching/Frame Relay/Cell Relay/Fast Packet/PDNs I GrafNet Plus
Software/Physical vs. Electrical Topologies/Virtual Circuits
7 COMMUNICATION SERVICES (CIRCUITS) 267
Tariffs/Deregulation/Common Carriers/LATAs/BOCs/AT T/MCI/US Sprint/Voice
Grade Circuits IDDD ISDN I SONET I Digital Services I T Carrier I Fractional T ll
WATS/800 Services/Satellite/PCNs/Public Packet Networks/Dial It 900/SDN/
SMDS/FX/Telex/CCSA/E Mail
8 NETWORK DESIGN FUNDAMENTALS 306
Systems Approach/Thirteen Design Steps/Design Deliverables I Circuit Costs/
Response Time/Modeling/Queuing/Simulation/Computerized Design/Network
Pricing and Design SoftwareICAML /Private Line Pricer/MIND Data PCI
AUTONETI GrafNet Plus
9 PROTOCOLS AND SOFTWARE 401
Protocol/Software IARQIOSI Model/X.25/HDLC/SDLC/SNA/APPC/LU 6.2/SAA/TP
Monitor/TCAM/VTAM/NCP/CICS/GOSIP/ONA/MAP/TCP/IP/BSCIStandards/Law
xi
10 MICROCOMPUTERS AND COMMUNICATIONS 457
DOS/UART/NETBIOS/Diskless PCs/Comm Software/File Transfer I Microcomputer
Protocolsi Micro to Micro/Micro to Mainframe/ Modemsi Bulletin Boards/Surge/
Sag/Power Line Conditioner/Uninterruptible Power Supply
11 LOCAL AREA NETWORKS (LANs) 507
LAN vs. WAN, MAN, BNIInstalling a LAN/Legal Issues /Topologies /Ethernet/
Token Ring/Token Bus I lOBase TIArcnetlFDDI/LAN Operating Systems/Servers/
Internetworking i RepeatersI Bridgesi Routers /Gateways /Cabling/Costs/
Implementing/Managing/Selecting/Security/LAN Controls
12 NETWORK MANAGEMENT 570
Test Equipment/Reporting/Documentation/Network Management/SNMP/NMS
(Novell)/NetView ISMT (FDDI) I Managing the Day to Day Operations I Combine
Voice and Data I Chief Information Officer/Protocol Analyzer
13 NETWORK SECURITY AND CONTROL 606
Why Networks Need Controls/What Causes Errors/Error Control/Encryption IOSI
Model Controls I Control Spreadsheet/Risk Assessment/30 Principles for a Secure
Network/20 Control Lists/Why Networks Need Security
GLOSSARY AND ACRONYMS 681
INDEX 723
CONTENTS
1 INTRODUCTION TO DATA COMMUNICATIONS 1
Why Study Data Communications 1
A Brief History of Communications in the United States 3
Purpose and Scope of This Book 5
Definition of Data Communications 6
Uses of Data Communications 7
Basic Components of a Communication Network 7
System Progression from the 1950s to Today 13
Types of Networks 14
Current and Future Networks 15
Electronic Data Interchange (EDI) 17
Voice/Data 17
Satellite 18
Videotex 19
Audiotex 19
Smart Buildings 19
Transborder Data Flow 20
Data Monopoly 20
Encryption 21
Public Networks 21
Optical Disks 22
Teleports 22
Telecommuting 23
CATV (Cable TV) 23
Teleconferencing 24
Digital Termination Systems (DTS) 24
Electronic/Voice Mail 24
Telecom Careers 24
Key Terms 26
Selected References 26
Computerized Literature Resources 27
Questions/Problems 28
Next Day Air Service Cumulative Case Study 30
2 VOICE COMMUNICATIONS 35
The Telephone 35
Voice Communication Network 37
Voice Call Control 40
Area Codes 41
contents xiii
Bandwidth on a Voice Circuit 42
Out of Band and In Band Signaling 44
Capacity of a Voice Grade Circuit 46
Wider Bandwidths 46
Signaling on a Dial Up Circuit 48
Automatic Number Identification (ANI) 49
Interactive Voice Response (IVR) 50
Dial Up Circuits 52
Voice System Miscellany 53
Telephone Plugs 53
Analog Versus Digital Telephones 53
Recording Telephone Conversations 54
Decibel Levels 54
Famous Firsts of Dial Up Telephones 55
Echo Suppression/Cancellation 55
TASI (Voice Calls) 57
Voice Call Multiplexing 58
Switches (Voice and Data) 59
Circuit Switching 60
Store and Forward 60
End Office Switches 61
Digital Switches 62
Network Switches 63
Uses of Switches 63
PBX (Switchboards) 64
CENTRES 69
Data Over Voice (DOV) 70
Voice Mail 70
Key Terms 73
Selected References 74
Questions/Problems 75
Next Day Air Service Cumulative Case Study 77
.1 DATA COMMUNICATION HARIMARK (PART 1) v*
Introduction 80
Host Mainframe Computer 80
Minicomputer 81
Microcomputer 81
Mainframe 82
Front End Processor (FEP) 82
Functions of the Front End Processor 85
Network Control 88
Modems 89
Modem Speed Versus File Transfer Time 92
Optical Modems 93
Short Haul Modems 94
Acoustic Couplers 95
Dumb Modems 95
CONTENTS
Smart Modems 95
Digital Modems 98
V.32 Modems 99
V.42bis Data Compression 99
Dial Up Backup 100
Features of Modems 101
Terminals/Microcomputers 103
Microcomputers and Workstations 103
Video Terminals 104
Teleprinter Terminals 107
Remote Job Entry Terminals 107
Transaction Terminals 107
Facsimile (FAX) Terminals 108
Dumb/Intelligent Terminals 111
Attributes of Terminals 112
Communications in Banking/Finance 113
Key Terms 115
Selected References 116
Questions/Problems 117
Next Day Air Service Cumulative Case Study 119
4 DATA COMMUNICATION HARDWAKE (PART 2) 122
Introduction 122
Multiplexers 122
Frequency Division Multiplexing (FDM) 123
Time Division Multiplexing (TDM) 125
Statistical Time Division Multiplexing (STDM) 125
Fast Packet Multiplexing 127
Fiber Optic Multiplexing 128
T l Multiplexing 128
Digital Channel Banks and Digital Cross Connect 128
Multiport Modem Multiplexing 129
Concentrators 129
Inverse Multiplexers 131
Intelligent Controllers 131
Remote Intelligent Controllers 131
LAN Gateways, Bridges, and Routers as Controllers 132
Central Site Intelligent Controllers 132
Protocol Converters 133
Hardware Protocol Converter Boxes 134
Add On Circuit Boards 134
Software Protocol Conversion Packages 135
LAN Gateways as Protocol Converters 135
Protocol Converter Selection Criteria 135
Hardware Encryption 136
Line Adapters 137
Channel Extender 138
Line Interface Module 139
CONTENTS XV
Port Sharing Device 139
Intelligent Port Selector (Rotary Switch) 139
Line Splitter 140
Digital Line Expander 141
Port/Line Security Device 141
Data Compression/Compaction Devices 142
Line Protectors 143
Key Terms 143
Selected References 144
Questions/Problems 144
Next Day Air Service Cumulative Case Study 147
5 FUNDAMENTAL COMMUNICATION CONCEPTS 148
Introduction 148
Microcomputer/Terminal 149
Modes of Transmission 150
Parallel Mode 150
Serial Mode 151
Asynchronous Transmission 151
Synchronous Transmission 152
Isochronous Transmission 153
Coding (ASCII/EBCDIC/BCD/Baudot) 155
Efficiency of a Code 159
Throughput (TRIB) 160
Connector Cables 161
RS232 (DB 25)/RS449 (DB 9) 161
Data Signaling/Synchronization 166
Modulation 169
Analog Modulation 169
Digital to Analog Conversion 173
Basic Electricity 174
Baseband/Broadband 176
Digital Bipolar Signaling 176
Digital Modulation 178
Bits/Baud 181
Local Loop 185
Station Terminals 185
Two/Four Wire Circuits 185
Half Duplex/Full Duplex (HDX/FDX) 186
Amplifiers/Repeaters 189
Telephone Company Central Office (End Office) 190
Communication Media (Circuits/Channels) 190
Open Wire Pairs 191
Wire Cables (Twisted Wire Pairs) 191
Coaxial Cable 193
Microwave Transmission 193
Satellite Transmission 196
Fiber Optic Cable 202
CONTENTS
Cellular Radio 206
Miscellaneous Circuit Types 211
Central Site Computer 212
Central Control Versus Interrupt 212
Polling/Selecting 213
Key Terms 215
Selected References 216
Questions/Problems 216
Next Day Air Service Cumulative Case Study 219
6 NETWORK CONFIGURATIONS 221
Introduction 221
Three Key Elements 221
Central Control Versus Interrupt 222
Topology 222
Ring Topology 223
Bus Topology 224
Star Topology 224
Mesh Topology 226
Physical Versus Electrical Topologies 226
Network Configurations 228
Wide Area Network (WAN) 228
Metropolitan Area Network (MAN) 229
Backbone Network (BN) 229
Local Area Network (LAN) 229
Hybrid Networks 232
Point to Point 232
Intelligent Terminal Controller 232
Multidrop 233
Multiplex 234
Packet Switching Networks 235
Virtual Circuits 236
Packetizing 237
Interleaving 239
Switching 239
Frame Relay 240
Cell Relay 241
Fast Packet Multiplexing 241
Public Data Networks (PDNs) 242
DTS (Digital Termination System) 244
Drawing a Network 246
GrafNet Plus Software 246
Installing GrafNet Plus 249
How to Run GrafNet Plus 249
GrafNet Plus Tutorial 249
Key Terms 260
Selected References 261
CONTENTS Xvil
Questions/Problems 261
Next Day Air Service Cumulative Case Study 264
7 COMMUNICATION SERVICES (CIRCUITS) 267
Communication Facilities 267
Common Carriers, Tariffs, and Deregulation 268
Tariffs 269
Deregulation 271
Communications in the United States 272
Bell Operating Companies (BOCs) 272
American Telephone Telegraph (AT T) 274
Local Access Transport Areas (LATAs) 274
Long Distance Common Carriers 275
Communication Services Offered 278
Private Circuit (Lease) Services 278
Measured Use Services 278
Voice Grade Channels 279
Wideband Analog Services 280
Digital Services 281
Integrated Services Digital Network (ISDN) 282
T Carrier Circuits 283
T l Circuits 284
Fractional T l 285
T 2/T 3/T 4 Circuits 285
Synchronous Optical Network (SONET) 286
Satellite Services 287
Software Defined Networks (Virtual Networks) 288
Switched Multimegabit Data Service (SMDS) 289
Personal Communication Networks (PCNs) 289
Direct Distance Dialing (DDD) 290
AT T Megacom Wide Area Telephone Services (Megacom WATS) 291
AT T Megacom® 292
Public Packet Switched Services 294
Dial It® 900 295
Telex 296
Foreign Exchange Service (FX) 296
Common Control Switching Arrangement (CCSA) 297
Hotline 297
Electronic Mail (E Mail) 297
Key Terms 300
Selected References 301
Questions/Problems 302
Next Day Air Service Cumulative Case Study 305
8 NETWORK DESIGN FUNDAMENTALS Wli
Introduction 306
The Systems Approach to Network Design 307
i CONTENTS
Thirteen Steps for Network Design 308
1. Conduct a Feasibility Study 309
Needs Assessment Factors 310
Deliverable for Step 1 312
2. Prepare a Network Design Plan 312
Feasibility Factors 312
Network Goals 312
Network Evaluation Criteria 313
Deliverable for Step 2 315
3. Understand the Current Network 315
Information Needs 315
Deliverable for Step 3 316
4. Define the New Network Requirements 316
Prioritizing Requirements 317
Deliverable for Step 4 318
Response Time 318
Queuing 319
Simulation 320
5. Identify the Geographic Scope 320
Mapping the Network 321
Network Drawing Software 325
Deliverable for Step 5 325
6. Analyze the Messages 326
Characters per Message 326
Number of Messages 327
How to Estimate Message Volumes 329
Deliverable for Step 6 330
7. Calculate Network Traffic and Circuit Loading 330
Calculating Traffic on Each Link 330
Response Time Evaluation 333
Link Capacity Requirements 333
Deliverable for Step 7 334
8. Identify Network Security and Control 334
Control Spreadsheet Methodology 334
Deliverable for Step 8 335
9. Design Network Configurations 335
Configurations Based on Network Goals 335
Modeling Networks 335
Choice Sets 339
Task Dependence 340
Evaluating Alternative Network Configurations 340
Deliverable for Step 9 343
10. Evaluate Software Considerations 343
Protocol Selection 343
Deliverable for Step 10 345
11. Evaluate Hardware Considerations 345
Hardware Selection 346
Deliverable for Step 11 347
CONTENTS xix
12. Calculate Network (Circuit) Costs 347
Complexities of Network Costing 347
Network Cost Analyzer 348
Cost/Benefit Categories 348
Voice Grade Leased Circuit Costs 351
Dial Up Circuit Costs 356
Wideband Analog Circuit Costs 358
Digital Circuit Costs 358
T Carrier Circuit Costs 359
Packet Switching Costs 359
Satellite Circuit Costs 361
Hardware Costs 361
Further Design Ideas 362
Deliverable for Step 12 363
13. Implement the Network 363
Selling the Proposed Network to Management 364
Implementing the Network 364
Evaluating the Operating Network 365
Deliverable for Step 13 366
Computerized Network Design 366
Network Design Tool Functions 366
Cost Analysis for Multiple Locations (CAML) 368
Private Line Pricer 374
Network Optimizer (MIND Data/PCs) 381
AUTONET/MeshNet and AUTONET/Designer 384
GrafNet Plus 387
Vertical and Horizontal Coordinates 387
Key Terms 393
Selected References 393
Questions/Problems 394
Next Day Air Service Cumulative Case Study 399
9 PROTOCOLS AND SOFTWARE 401
Protocol 401
Software 403
Network Architecture 404
Software Design 405
Software Testing 407
ARQ (Automatic Repeat reQuest) 408
Basic Software Concepts for Wide Area Networks (WANs) 409
Telecommunication Access Programs 412
Basic Telecommunications Access Method (BTAM) 413
Queued Telecommunications Access Method (QTAM) 413
Telecommunications Access Method (TCAM) 413
Virtual Telecommunications Access Method (VTAM) 414
Network Control Program (NCP) 414
Teleprocessing Monitor Program 415
CONTENTS
OSI Seven Layer Model 417
Layer 1: Physical Layer 421
Layer 2: Data Link Layer 421
Layer 3: Network Layer 422
Layer 4: Transport Layer 422
Layer 5: Session Layer 424
Layer 6: Presentation Layer 424
Layer 7: Application Layer 425
Frame (HDLC/X.25/SDLC) 425
Systems Network Architecture (SNA) 427
Network Addressable Units (NAUs) 430
Path Control Network 431
APPC and LU 6.2 432
Systems Application Architecture (SAA) 436
Binary Synchronous Communications (BSC) 437
Manufacturing Automation Protocol (MAP) 438
Digital Network Architecture (DNA) 439
Transmission Control Protocol/Internet Protocol (TCP/IP) 440
Government Open Systems Interconnection Protocol (GOSIP) 440
Open Network Architecture (ONA) 441
Telecommunication Standards Organizations 441
International Organization for Standardization (ISO) 443
American National Standards Institute (ANSI) 443
Consultative Committee on International Telegraph and Telephone (CCITT) 443
Institute of Electrical and Electronics Engineers (IEEE) 444
Electronic Industries Association (EIA) 444
National Institute of Standards and Technology (NIST) 444
National Exchange Carriers Association (NECA) 444
Corporation for Open Systems (COS) 445
Electronic Data Interchange (EDI) 446
Arcnet Trade Association (ATA) 446
Legally Enforceable Standards 446
Federal Wiretap Statute 446
Electronic Communications Privacy Act of 1986 446
Computer Fraud and Abuse Act of 1986 447
Computer Security Act of 1987 447
Computer Virus Eradication Act of 1988 448
X.AW and V.AW Standards 448
Key Terms 450
Selected References 452
Questions/Problems 452
Next Day Air Service Cumulative Case Study 456
ID MICROCOMPUTERS AND COMMUNICATIONS 457
Microcomputers 457
DOS Boot Procedure 461
OS/2 Boot Procedure 463
Diskless Microcomputer Boot Procedure 465
CONTEXTS XXi
Serial Port (UART/USART) 466
Communication Software for Microcomputers 466
DOS Communications 467
NETBIOS 468
Other Communication Software 470
ProComm Plus 470
How to Use ProComm Plus 471
How to Upload and Download 471
WATSON (Voice or Data) 473
File Transfer Versus Capture Buffer 473
Microcomputer Protocols 474
X ON/X OFF 475
XMODEM 475
XMODEM CRC 476
XMODEM IK 476
WXMODEM 476
YMODEM 476
YMODEM G 476
ZMODEM 477
KERMIT 477
X.PC 477
BUST 478
PC BLAST II 478
MNP 478
Modems for Microcomputers 479
Internal Modems 480
External Modems 480
Micro to Modem Connectors 480
Micro to Micro Connections 481
Copy to Diskette 482
Null Modem Cable Connections 483
PC to PC Communications 483
Mac to PC Communications 485
PC to Printer Communications 486
Bulletin Board Systems (BBSs) 487
Micro to Mainframe Connections 489
Factors in Micro to Mainframe Selection 490
PC to Host Communications 490
Single Microcomputer 491
Clustered Microcomputers 492
Disk Servers 493
File Servers 494
PC to Mainframe Using APPC 494
Mac to Host Communications 495
Security 495
Speed 495
Electrical Protection for Micros and LANs 496
Communication Circuit Surge Device 496
Electrical Power Surge Device 497
i CONTENTS
Power Line Conditioner (PLC) 498
Uninterruptible Power Supply (UPS) 498
Static Electricity 500
Key Terms 500
Selected References 501
Questions/Problems 502
Next Day Air Service Cumulative Case Study 506
11 LOCAL AREA NETWORKS (LANs) 507
Introduction to LANs 507
Enterprise wide Networks 508
Wide Area Networks (WANs) Versus LANs 509
Metropolitan Area Networks (MANs) Versus LANs 509
Backbone Networks (BNs) Versus LANs 511
Installing a Local Area Network 511
Circuit Cards and Cabling 513
Server Microcomputer or User Microcomputer 513
Installing the LAN Software 514
Developing a Network Profile 515
The Log In Process 516
Legal Issues 516
Word Processing on a LAN 517
LAN Topologies 518
Ring Topology 519
Bus Topology 519
Star Topology 519
IEEE 802 Standards 519
Ethernet LANs 521
Baseband/Broadband 521
CSMA/CD 522
lOBase T 525
Token Passing LANs 526
Token Bus Network 527
Token Ring Network 527
Arcne* LANs 528
Fiber Distributed Data Interface (FDDI) 529
AppleTalk Protocol 530
LAN Operating System Software 531
High End Full Network LAN 531
Low End DOS Based Peer LAN 532
Zero Slot Sub LAN 532
LAN Servers 533
Disk Server 533
File Server 533
Network Server 534
Database Server 536
Facsimile (FAX) Server 536
Printer Server 536
contents xxiii
Access/Modem Server 536
Gateway, Router, or Bridge Server 537
Internetworking 537
Repeaters 538
Bridges 538
Routers 539
Gateways 539
Circuits Between LANs 541
LAN Cabling 541
Twisted Pairs 542
Fiber Optic Cable 543
Coaxial Cable 544
Wireless LAN 545
Installing Cables 546
LAN Costs 547
Implementing a LAN 548
Managing a LAN 550
Hardware and Software Tools 550
The LANVision Series 551
Selecting a LAN 553
LAN Security and Control 557
Build a Control Spreadsheet 558
LAN Controls 558
Key Terms 562
Selected References 563
Questions/Problems 564
Next Day Air Service Cumulative Case Study 568
12 NETWORK MANAGEMENT 570
Managing the Data Communication Function 570
Network Organization 572
Combining Voice and Data 573
The Chief Information Officer (CIO) 574
Network Management 576
Network Status 577
Network Reporting 578
Network Documentation 579
Monitoring Physical and Logical Parameters 581
NetView 581
Spectrum Services 582
ACCUMASTER Integrator8 583
Simple Network Management Protocol (SNMP) 583
NetWare Management System (NMS) 584
SMT—Station Management for FDDI 585
LANVision Series 586
Managing the Day to Day Operations 586
Design and Analysis Function 587
Network Operations Function 589
iv CONTENTS
Failure Control Function 589
Testing and Problem Management Function 591
Test Equipment 594
Breakout Box 596
Bit Error Bate Tester (BERT) 596
Block Error Rate Tester (BKERT) 597
Fiber Identifier 597
Cable Analyzer 597
Self Testing Modems 597
Protocol Analyzer/Response Time Analyzer/Data Line Monitor 598
Automated Test Equipment 599
Key Terms 600
Selected References 600
Questions/Problems 601
Next Day Air Service Cumulative Case Study 604
13 NETWORK SECURITY AND CONTROL 606
Why Networks Need Controls 606
Error Control in Networks 610
What Are Network Errors? 610
What Causes Network Errors? 611
White or Gaussian Noise 612
Impulse Noise 612
Cross Talk 612
Echoes 612
Intermodulation Noise 613
Amplitude Noise 613
Line Outages 613
Attenuation 613
Attenuation Distortion 613
Delay Distortion 613
Jitter 613
Harmonic Distortion 614
How to Control Network Errors 614
Loop or Echo Checking 614
Error Detection with Retransmission 614
Parity Checking 615
M ot N Codes 616
Polynomial Checking 616
Forward Error Correction 617
Why Networks Need Security 619
Location of Network Controls 620
How to Develop a Control Spreadsheet 624
Identify the Threats and Components 624
Identify and Document the Controls 628
Evaluate the Network s Control and Security 628
How to Conduct a Risk Assessment 631
Delphi Technique 633
CONTEXTS XXV
Comparison Risk Ranking 633
An Example 633
Basic Control Principles of a Secure Network 636
Encryption 638
Data Encryption Standard (DES) 639
Public Key Encryption 643
RSA Digital Signature 646
Network Controls 647
Local Area Networks (LANs) 647
Other Sources for Control Lists 647
Hardware Controls 648
Front End Processors 648
Packet Switching Controllers 648
Modems 649
Multiplexers 649
Remote Intelligent Controllers 650
Terminals—Human Error Prevention 650
Terminals—Security Controls 651
Voice Telephone Security 652
Circuit Controls 653
Microcomputer Controls 654
Database Controls 656
OSI Model Controls 657
Layer 1—Physical Link Control 657
Layer 2—Data Link Control 658
Layer 3—Network Control 658
Layer 4—Transport Control 658
Layer 5—Session Control 659
Layer 6—Presentation Control 659
Layer 7—Application Control 659
Network Software Controls 660
Management Controls 662
Recovery/Backup/Disaster Controls 663
Key Terms 665
Selected References 666
Questions/Problems 667
Next Day Air Service Cumulative Case Study 676
Glossary and Acronyms 681
Index 723
|
| any_adam_object | 1 |
| author | FitzGerald, Jerry |
| author_facet | FitzGerald, Jerry |
| author_role | aut |
| author_sort | FitzGerald, Jerry |
| author_variant | j f jf |
| building | Verbundindex |
| bvnumber | BV007753844 |
| callnumber-first | T - Technology |
| callnumber-label | TK5105 |
| callnumber-raw | TK5105 |
| callnumber-search | TK5105 |
| callnumber-sort | TK 45105 |
| callnumber-subject | TK - Electrical and Nuclear Engineering |
| classification_rvk | QP 345 |
| classification_tum | DAT 250f WIR 917f ELT 620f |
| ctrlnum | (OCoLC)26363813 (DE-599)BVBBV007753844 |
| dewey-full | 004.6 |
| dewey-hundreds | 000 - Computer science, information, general works |
| dewey-ones | 004 - Computer science |
| dewey-raw | 004.6 |
| dewey-search | 004.6 |
| dewey-sort | 14.6 |
| dewey-tens | 000 - Computer science, information, general works |
| discipline | Informatik Elektrotechnik Wirtschaftswissenschaften |
| edition | 4. ed. |
| format | Book |
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| id | DE-604.BV007753844 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T17:08:54Z |
| institution | BVB |
| isbn | 0471599832 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-005096748 |
| oclc_num | 26363813 |
| open_access_boolean | |
| owner | DE-473 DE-BY-UBG DE-91G DE-BY-TUM |
| owner_facet | DE-473 DE-BY-UBG DE-91G DE-BY-TUM |
| physical | XXV, 722, 52 S. Ill., graph. Darst., Kt. |
| publishDate | 1993 |
| publishDateSearch | 1993 |
| publishDateSort | 1993 |
| publisher | Wiley |
| record_format | marc |
| series2 | Wiley series in computers and information processing systems for business |
| spelling | FitzGerald, Jerry Verfasser aut Business data communications basic concepts, security, and design Jerry FitzGerald 4. ed. New York u.a. Wiley 1993 XXV, 722, 52 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Wiley series in computers and information processing systems for business 5. ed. u.d.T.: FitzGerald, Jerry: Business data communications and networking Computer networks Data transmission systems Office practice Automation Datenübertragung (DE-588)4011150-7 gnd rswk-swf Datenübermittlung (DE-588)4148886-6 gnd rswk-swf Telekommunikation (DE-588)4059360-5 gnd rswk-swf Büro (DE-588)4008807-8 gnd rswk-swf Betriebliches Informationssystem (DE-588)4069386-7 gnd rswk-swf Rechnernetz (DE-588)4070085-9 gnd rswk-swf Bürokommunikation (DE-588)4121069-4 gnd rswk-swf Verteiltes System (DE-588)4238872-7 gnd rswk-swf Betriebliches Informationssystem (DE-588)4069386-7 s DE-604 Büro (DE-588)4008807-8 s Telekommunikation (DE-588)4059360-5 s 1\p DE-604 Bürokommunikation (DE-588)4121069-4 s 2\p DE-604 Datenübertragung (DE-588)4011150-7 s 3\p DE-604 Verteiltes System (DE-588)4238872-7 s 4\p DE-604 Datenübermittlung (DE-588)4148886-6 s 5\p DE-604 Rechnernetz (DE-588)4070085-9 s 6\p DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=005096748&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 3\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 4\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 5\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 6\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | FitzGerald, Jerry Business data communications basic concepts, security, and design Computer networks Data transmission systems Office practice Automation Datenübertragung (DE-588)4011150-7 gnd Datenübermittlung (DE-588)4148886-6 gnd Telekommunikation (DE-588)4059360-5 gnd Büro (DE-588)4008807-8 gnd Betriebliches Informationssystem (DE-588)4069386-7 gnd Rechnernetz (DE-588)4070085-9 gnd Bürokommunikation (DE-588)4121069-4 gnd Verteiltes System (DE-588)4238872-7 gnd |
| subject_GND | (DE-588)4011150-7 (DE-588)4148886-6 (DE-588)4059360-5 (DE-588)4008807-8 (DE-588)4069386-7 (DE-588)4070085-9 (DE-588)4121069-4 (DE-588)4238872-7 |
| title | Business data communications basic concepts, security, and design |
| title_auth | Business data communications basic concepts, security, and design |
| title_exact_search | Business data communications basic concepts, security, and design |
| title_full | Business data communications basic concepts, security, and design Jerry FitzGerald |
| title_fullStr | Business data communications basic concepts, security, and design Jerry FitzGerald |
| title_full_unstemmed | Business data communications basic concepts, security, and design Jerry FitzGerald |
| title_short | Business data communications |
| title_sort | business data communications basic concepts security and design |
| title_sub | basic concepts, security, and design |
| topic | Computer networks Data transmission systems Office practice Automation Datenübertragung (DE-588)4011150-7 gnd Datenübermittlung (DE-588)4148886-6 gnd Telekommunikation (DE-588)4059360-5 gnd Büro (DE-588)4008807-8 gnd Betriebliches Informationssystem (DE-588)4069386-7 gnd Rechnernetz (DE-588)4070085-9 gnd Bürokommunikation (DE-588)4121069-4 gnd Verteiltes System (DE-588)4238872-7 gnd |
| topic_facet | Computer networks Data transmission systems Office practice Automation Datenübertragung Datenübermittlung Telekommunikation Büro Betriebliches Informationssystem Rechnernetz Bürokommunikation Verteiltes System |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=005096748&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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