Jerry FitzGerald

Business Data Communications and Networking Jerry FitzGerald 12th edition

Marc Notes: Includes bibliographical references and index.; Over the past few years, many fundamental changes have occurred in data, communication, and networking that will shape the future for decades to come. Updated with the latest advances in the field, Jerry FitzGerald, Alan Dennis and Alexandra Durcikova's 12th Edition of Business Data Communications and Networking continues to provide the fundamental concepts and cutting-edge coverage of applications that students need to succeed in this dynamic field. Authors FitzGerald, Dennis and Durcikova have developed a foundation and balanced presentation from which new technologies and applications can be easily understood, evaluated, and compared--; Provided by publisher. Table of Contents: About the Authors iiiPreface vPART ONEINTRODUCTION 1Chapter 1Introduction to DataCommunications 11.1 Introduction 11.2 Data Communications Networks 41.2.1 Components of a Network 41.2.2 Types of Networks 61.3 Network Models 71.3.1 Open Systems InterconnectionReference Model 81.3.2 Internet Model 91.3.3 Message Transmission UsingLayers 101.4 Network Standards 131.4.1 The Importance of Standards 131.4.2 The Standards-Making Process 131.4.3 Common Standards 161.5 Future Trends 161.5.1 Wireless LAN and BYOD 161.5.2 TheWeb ofThings 171.5.3 Massively Online 171.6 Implications for Management 18PART TWOFUNDAMENTAL CONCEPTS 26Chapter 2Application Layer 262.1 Introduction 262.2 Application Architectures 272.2.1 Host-Based Architectures 282.2.2 Client-Based Architectures 282.2.3 Client-Server Architectures 292.2.4 Cloud Computing Architectures 322.2.5 Peer-to-Peer Architectures 342.2.6 Choosing Architectures 352.3 WorldWideWeb 362.3.1 How theWebWorks 362.3.2 Inside an HTTP Request 372.3.3 Inside an HTTP Response 382.4 Electronic Mail 392.4.1 How EmailWorks 402.4.2 Inside an SMTP Packet 432.4.3 Attachments in Multipurpose InternetMail Extension 432.5 Other Applications 442.5.1 Telnet 442.5.2 Instant Messaging 452.5.3 Videoconferencing 462.6 Implications for Management 48Chapter 3Physical Layer 603.1 Introduction 603.2 Circuits 623.2.1Circuit Configuration 623.2.2 Data Flow 633.2.3 Multiplexing 643.3 CommunicationMedia 663.3.1 Twisted Pair Cable 663.3.2 Coaxial Cable 673.3.3 Fiber-Optic Cable 673.3.4 Radio 693.3.5 Microwave 693.3.6 Satellite 703.3.7 Media Selection 713.4 Digital Transmission of Digital Data 723.4.1 Coding 723.4.2 Transmission Modes 733.4.3 Digital Transmission 743.4.4 How Ethernet Transmits Data 753.5 Analog Transmission of Digital Data 763.5.1 Modulation 773.5.2 Capacity of a Circuit 793.5.3 How Modems Transmit Data 803.6 Digital Transmission of Analog Data 803.6.1 Translating from Analog toDigital 803.6.2 How Telephones Transmit VoiceData 813.6.3 How Instant Messenger TransmitsVoice Data 833.6.4 Voice over Internet Protocol(VoIP) 833.7 Implications for Management 84Chapter 4Data Link Layer 924.1 Introduction 924.2 Media Access Control 934.2.1 Contention 934.2.2 Controlled Access 934.2.3 Relative Performance 944.3 Error Control 954.3.1 Sources of Errors 964.3.2 Error Prevention 974.3.3 Error Detection 984.3.4 Error Correction viaRetransmission 994.3.5 Forward Error Correction 1024.3.6 Error Control in Practice 1024.4 Data Link Protocols 1034.4.1 Asynchronous Transmission 1034.4.2 Synchronous Transmission 1044.5 Transmission Efficiency 1074.6 Implications for Management 109Chapter 5Network and Transport Layers1165.1 Introduction 1165.2 Transport and Network Layer Protocols 1185.2.1 Transmission Control Protocol(TCP) 1185.2.2 Internet Protocol (IP) 1195.3 Transport Layer Functions 1205.3.1 Linking to the Application Layer 1205.3.2 Segmenting 1215.3.3 Session Management 1225.4 Addressing 1245.4.1 Assigning Addresses 1245.4.2 Address Resolution 1305.5 Routing 1325.5.1 Types of Routing 1345.5.2 Routing Protocols 1355.5.3 Multicasting 1375.5.4 The Anatomy of a Router 1385.6 TCP/IP Example 1405.6.1 Known Addresses, Same Subnet 1405.6.2 Known Addresses, DifferentSubnet 1435.6.3 Unknown Addresses 1445.6.4 TCP Connections 1445.6.5 TCP/IP and Network Layers 1455.7 Implications for Management 147PART THREENETWORK TECHNOLOGIES166Chapter 6Network Design 1666.1 Introduction 1666.1.1 Network ArchitectureComponents 1666.1.2 The Traditional Network DesignProcess 1686.1.3 The Building-Block Network DesignProcess 1696.2 Needs Analysis 1716.2.1 Network ArchitectureComponent 1726.2.2 Application Systems 1736.2.3 Network Users 1736.2.4 Categorizing Network Needs 1736.2.5 Deliverables 1746.3 Technology Design 1756.3.1 Designing Clients and Servers 1756.3.2 Designing Circuits 1756.3.3 Network Design Tools 1776.3.4 Deliverables 1786.4 Cost Assessment 1786.4.1 Request for Proposal 1786.4.2 Selling the Proposal toManagement 1796.4.3 Deliverables 1806.5 Implications for Management 180Chapter 7Wired and Wireless Local AreaNetworks 1847.1 Introduction 1847.2 LAN Components 1857.2.1 Network Interface Cards 1867.2.2 Network Circuits 1867.2.3 Network Hubs, Switches, and AccessPoints 1877.2.4 Network Operating Systems 1907.3 Wired Ethernet 1917.3.1 Topology 1917.3.2 Media Access Control 1947.3.3 Types of Ethernet 1957.4 Wireless Ethernet 1967.4.1 Topology 1967.4.2 Media Access Control 1967.4.3 Wireless Ethernet Frame Layout 1977.4.4 Types ofWireless Ethernet 1987.4.5 Security 1997.5 The Best Practice LAN Design 2017.5.1 Designing User Access withWiredEthernet 2027.5.2 Designing User Access withWirelessEthernet 2027.5.3 Designing the Data Center 2047.5.4 Designing the e-CommerceEdge 2067.5.5 Designing the SOHOEnvironment 2077.6 Improving LAN Performance 2087.6.1 Improving Server Performance 2097.6.2 Improving Circuit Capacity 2107.6.3 Reducing Network Demand 2117.7 Implications for Management 211Chapter 8Backbone Networks 2228.1 Introduction 2228.2 Switched Backbones 2238.3 Routed Backbones 2268.4 Virtual LANs 2298.5 The Best Practice Backbone Design 2348.6 Improving Backbone Performance 2368.6.1 Improving Device Performance 2368.6.2Improving Circuit Capacity 2368.6.3 Reducing Network Demand 2368.7 Implications for Management 237Chapter 9Wide Area Networks 2459.1 Introduction 2459.2 Dedicated-Circuit Networks 2469.2.1 Basic Architecture 2469.2.2 T Carrier Services 2499.2.3 SONET Services 2519.3 Packet-Switched Networks 2519.3.1 Basic Architecture 2529.3.2 Frame Relay Services 2539.3.3 Ethernet Services 2549.3.4 MPLS Services 2559.3.5 IP Services 2569.4 Virtual Private Networks 2579.4.1 Basic Architecture 2579.4.2 VPN Types 2589.4.3 How VPNsWork 2589.5 The Best PracticeWAN Design 2619.6 ImprovingWAN Performance 2629.6.1 Improving Device Performance 2629.6.2 Improving Circuit Capacity 2639.6.3 Reducing Network Demand 2639.7 Implications for Management 264Chapter 10The Internet 27610.1 Introduction 27610.2 How the InternetWorks 27710.2.1 Basic Architecture 27710.2.2 Connecting to an ISP 27910.2.3 The Internet Today 28010.3 Internet Access Technologies 28110.3.1 Digital Subscriber Line (DSL) 28110.3.2 Cable Modem 28310.3.3 Fiber to the Home 28510.3.4 WiMax 28510.4 The Future of the Internet 28610.4.1 Internet Governance 28610.4.2 Building the Future 28710.5 Implications for Management 289PART FOURNETWORK MANAGEMENT 296Chapter 11Network Security 29611.1 Introduction 29611.1.1 Why Networks Need Security 29811.1.2 Types of SecurityThreats 29811.1.3 Network Controls 30011.2 Risk Assessment 30111.2.1 Develop risk measurementcriteria 30111.2.2 Inventory IT assets 30211.2.3 Identify Threats 30411.2.4 Document Existing Controls 30711.2.5 Identify Improvements 30811.3Ensuring Business Continuity 30811.3.1 Virus Protection 30911.3.2 Denial of Service Protection 31011.3.3 Theft Protection 31311.3.4 Device Failure Protection 31311.3.5 Disaster Protection 31411.4 Intrusion Prevention 31811.4.1 Security Policy 31911.4.2Perimeter Security andFirewalls 31911.4.3 Server and Client Protection 32511.4.4 Encryption 32911.4.5 User Authentication 33511.4.6 Preventing Social Engineering 33811.4.7 Intrusion Prevention Systems 33911.4.8 Intrusion Recovery 34111.5 Best Practice Recommendations 34211.6 Implications for Management 344Chapter 12Network Management 35312.1 Introduction 35312.2 Designing for Network Performance 35512.2.1 Managed Networks 35512.2.2 Managing Network Traffic 35912.2.3 Reducing Network Traffic 36012.3 Configuration Management 36312.3.1 Configuring the Network and ClientComputers 36312.3.2 Documenting the Configuration 36412.4 Performance and Fault Management 36612.4.1 Network Monitoring 36612.4.2 Failure Control Function 36812.4.3 Performance and FailureStatistics 37012.4.4 Improving Performance 37312.5 End User Support 37312.5.1 Resolving Problems 37312.5.2 Providing End User Training 37512.6 Cost Management 37512.6.1 Sources of Costs 37512.6.2 Reducing Costs 37812.7 Implications for Management 380Appendices (Online) Glossary (Online) Index 389

Contributor Bio:  FitzGerald, Jerry Jerry Fitzgerald received his B. A. from Cornell College and his M. A. from the University of Iowa. He worked as a research associate in alcoholism studies in the Department of Psychiatry at the University of Iowa. He is author or co-author of over 40 research reports on alcohol and drug abuse published in peer reviewed professional journals. Contributor Bio:  Dennis, Alan Dr. Alan Dennis holds the John T. Chambers Chair of Internet Systems in the Kelley School of Business at Indiana University. Dr. Dennis has won numerous awards for teaching data communications and networking and for his research on collaboration and the Internet. He is an Associate Editor for MIS Quarterly and serves as the Executive Editor for MIS Quarterly Executive. He received his Ph. D. in management information systems from the University of Arizona, his MBA from Queen's University in Ontario, and his Bachelor of Computer Science from Acadia University in Nova Scotia.