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| Introduction | |
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| A Networking Primer | |
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| An Overview of Networking | |
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| What Is a Network? | |
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| Why Build a Network? | |
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| How Networks Are Put Together | |
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| Physical Networking-the Hardware | |
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| Network Devices | |
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| The Logical Network | |
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| The Varieties of Networks | |
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| LANs | |
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| WANs | |
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| How the Internet Relates to Your Network | |
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| What Is the Internet? | |
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| Understanding Bandwidth | |
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| Understanding Different Kinds of Internet Connections | |
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| Why Does the Internet Matter for Your Network? | |
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| Intranets, Extranets, and the Internet | |
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| Summary | |
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| Q&A | |
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| The Benefits of Networking | |
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| Computing Before Computer Networks | |
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| Networking's Breakthrough: Packet-Switched Data | |
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| Life Without Computer Networks | |
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| Inefficient Resource Sharing | |
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| Slo-o-ow Data | |
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| No Centralized Data Management | |
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| Expense | |
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| Benefits of Networking | |
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| Simplified Resource Sharing | |
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| Networking Is Faster | |
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| Centralized Management | |
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| Summary | |
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| Q&A | |
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| The Basics | |
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| Getting Data from Here to There: How Computers Share Data | |
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| Logical Topologies | |
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| Ethernet | |
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| Token Ring and FDDI | |
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| Asynchronous Transfer Mode (ATM) | |
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| Network Protocols | |
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| The OSI Model (And Why You Should Be Familiar with It) | |
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| TCP/IP | |
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| IPX NetBIOS and NetBEUI | |
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| Summary | |
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| Q&A | |
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| Computer Concepts | |
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| Computer Hardware | |
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| The CPU | |
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| Memory | |
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| Disks | |
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| Add-In Adapter Cards | |
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| Client Operating System Software | |
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| Multitasking Versus Single-Tasking Systems | |
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| MS-DOS to Windows | |
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| MacOS | |
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| Windows | |
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| OS/2 Windows. 2000 Unix | |
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| Summary | |
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| Q&A | |
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| Network Concepts | |
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| What Networks Are Made | |
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| Network-Specific Hardware | |
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| Software: Network Operating Systems | |
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| Summary | |
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| Q&A | |
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| Extending Your LAN: Wide Area Networks | |
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| What Is a WAN? WAN Hardware | |
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| Bridges | |
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| Gateways: Protocol Translators | |
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| Routers | |
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| High-Speed Data Access | |
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| Trunk Lines: T1 and T3 | |
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| Integrated Services Digital Network (ISDN) | |
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| Digital Subscriber Lines (DSL) | |
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| Service Level Agreements and Quality of Service Agreements | |
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| Can the Internet Help You Build Your WAN? | |
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| So Who Needs a WAN, Anyway? | |
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| Summary | |
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| Q&A | |
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| Remote Networking | |
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| A Brief History of Remote Access: Remote Control and Remote Node | |
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| Remote Control | |
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| Remote Node | |
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| Different Organizations Need Different RAS Solutions | |
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| Remote Access Requirements | |
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| Modems | |
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| ISDN Terminal Adapters | |
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| Protocols | |
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| Authentication and Security | |
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| Using the Internet for Remote Access | |
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| VPNs | |
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| Remote Access Hardware: Build or Buy? | |
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| Building a Remote Access Solution | |
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| Buying Turnkey Remote Access Solutions | |
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| Summary | |
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| Q&A | |
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| Building A Network | |
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| The Criteria for Building Your Network | |
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| What Are Best Practices? | |
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| Planning Best Practices: Plan, Design, Implement, and Tune | |
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| Dealing with Change | |
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| Applying the Best Practices | |
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| Interoperability and Standards-Based Networking | |
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| Security | |
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| Enunciating Usage Policies and Procedures | |
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| Defining Secure Behaviors | |
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| Collating What You've Learned | |
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| Summary | |
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| Q&A | |
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| Designing Your Network | |
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| Step 1: Identifying the Uses of Your Network | |
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| Defining the Organizational Purpose | |
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| Quantifying the Network | |
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| Step 2: Listing Which Tasks Happen at Which Computers | |
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| The Many-User Computer | |
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| Single-User Computers | |
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| Step 3: Determining the Degree of Centralization | |
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| Easier Access to Files | |
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| Stronger Security | |
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| Unix Permissions | |
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| Easier Backup | |
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| Easier Configuration Management | |
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| The Ramifications of Centralization | |
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| Step 4: Making It Real-Drawing the Network | |
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| Drawing the Logical Network Diagram | |
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| Drawing the Physical Network Diagram | |
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| Step 5: Writing the Specification and Getting Others' Input | |
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| Writing the Specification Document | |
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| Meeting with Other Users | |
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| Step 6: Specifying Hardware | |
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| Selecting Hardware | |
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| Step 7: Building the Network | |
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| Questionnaire/Checklist | |
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| Meeting with Senior Management | |
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| Meeting with Rank-and-File Employees | |
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| Distilling Core Issues from Interviews | |
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| Quantifying the Network | |
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| Determining Applications and Rightsizing the Workstation | |
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| Deciding Whether to Centralize | |
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| Summary | |
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| Q&A | |
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| How to Select Hardware and Software for Your Network | |
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| Selecting a Topology | |
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| Ethernet 10BASE-2 | |
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| 10BASE-T | |
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| Token Ring | |
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| FDDI/ATM/100BASE-FX/1000BASE-T(Fiber-Optic Technologies) | |
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| Selecting the Network Type: Client/Server or Peer to Peer | |
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| Client/Server Networking | |
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| Peer Networking | |
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| Peer-to-Peer and Client/Server Networking | |
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| Selecting the Workstation Operating System and Network Operating System | |
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| Peer-to-Peer OSes | |
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| Client/Server Network Operating Systems | |
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| Selecting the Network Protocol | |
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| IPX.NetBEUI. TCP/IP | |
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| Summary | |
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| Q&A | |
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| Physically Assembling a Network | |
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| Before Installation | |
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| Installing Adapter Cards | |
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| Working on Wiring: Closets, Cables, Connections, Concentrators, and Terminators | |
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| The Wiring Closet: Ethernet, Token Ring, ATM, and FDDI's Home Sweet | |
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| Home | |
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| Summary | |
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| Q&A | |
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| Network Applications | |
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| Email | |
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| Uses of Email | |
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| Proprietary Mail Systems | |
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| Open-Standards Email | |
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| Sending Files: Multipurpose Internet Mail Extensions (MIME) | |
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| Group Calendaring | |
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| Networked Contact Management | |
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| A Sampler of Network-Based Software | |
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| Summary | |
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| Q&A | |
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| Connecting to the Internet: Email and Web Sources | |
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| Internet Email | |
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| Dial-Up Internet Mail | |
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| Dedicated-Connection Internet Mail | |
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| Understanding High-Speed Internet Connections | |
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| Protocol Translation | |
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| Summary | |
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| Worksheet | |
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| Q&A | |
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| Network Operating Systems | |
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| Microsoft Windows Peer Networking | |
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| Microsoft Windows Networking | |
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| Windows Operating Systems | |
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| Windows 95, 98, and Me | |
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| Windows NT Workstation and Windows 2000 Professional | |
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| Basic Windows Networking Concepts | |
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| Sharing | |
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| Arbitrary Sharing | |
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| Workgroups | |
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| Protocol Selection for Windows Networks | |
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| Summary | |
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| Q&A | |
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| Microsoft Windows 2000 Server | |
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| About Windows 2000 Server | |
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| Windows 2000 Server's File Systems | |
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| Windows 2000 Server Networking Basics | |
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| Windows 2000 Server Concepts | |
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| The Differences Between Workgroups and Domains | |
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| Trust Relationships Between Windows 2000 Server Domains | |
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| User Logon Security | |
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| NT Server Roles | |
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| Sharing | |
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| NT Server Applications | |
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| Other Computers with Which Windows 2000 Server Can Network | |
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| Summary | |
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| Q&A | |
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| Novell NetWare | |
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| Advantages of a NetWare Network | |
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| Disadvantages of a NetWare Network | |
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| NetWare Basics | |
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| The Differences Between NetWare 3.x and 4.x | |
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| How NetWare Works | |
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| NetWare Interoperability | |
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| Protocol Selection | |
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| NetWare Clients and NDS: Who's on First? Summary | |
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| Q&A | |
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| Unix and Linux | |
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| The History of Unix | |
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| Growing Pains | |
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| Spreading the Word | |
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| The Great Schism | |
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| Unix Under Attack | |
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| Unix Woes | |
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| The Future of Unix: Still on Solid Ground | |
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| Basic Unix Concepts | |
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| Everything Is a File | |
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| Standard Input and Output | |
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| Hierarchical File System | |
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| Interoperability and Open Standards | |
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| Unix as a Network Operating System | |
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| The Specs: A Close Look at Unix | |
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| Terminals | |
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| Things That Go Together: Networking and Unix | |
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| Long Filenames, Case-Sensitive Names, and Switches | |
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| Graphical User Interfaces | |
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| Protocol Selection | |
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| Summary | |
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| Q&A | |
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| Introduction To Network Administration | |
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| The Network Administrator | |
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| Planning and Installing a Network | |
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| The Planning Checklist | |
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| The Installation Checklist | |
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| Administering a Network | |
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| Keeping Logs | |
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| Data Storage | |
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| Maintaining a Network | |
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| Design and Expansion | |
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| User Account Design and Maintenance | |
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| Naming Conventions | |
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| Distribution of Functions | |
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| Backup Planning | |
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| Security Design | |
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| Disaster Recovery | |
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| Summary | |
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| Security | |
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| Why Network Security Is Important | |
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| Potential Network Security Risks | |
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| The Ease of Replication of Digital Data | |
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| Nonaudited Networks | |
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| Non-Firewall Internet-Connected Networks | |
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| Viruses | |
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| Various TCP/IP Attacks | |
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| Nontechnical Attacks | |
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| Malicious and Nonmalicious Attacks | |
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| Setting Up Your Defenses | |
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| Summary | |
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| Upgrades | |
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| The Inevitable Upgrade | |
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| The Upgrade Cycle | |
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| Designing for Sanity: Healthy Growth Plans | |
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| The Costs of the Upgrade Cycle: ROI | |
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| Planning for Network Growth | |
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| Random Growth | |
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| Trying to Standardize | |
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| Recommendations for Upgrades | |
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| Planning Upgrades | |
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| The Reading Prescription | |
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| Managing Hardware Growth | |
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| Managing Software Growth | |
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| Network Management Software | |
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| Summary | |
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| Q&A | |
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| Network Admin Tips and Tricks | |
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| Making Your Own Cables | |
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| Ethernet Cables | |
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| Cool Cheap Tools | |
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| Ping: Is There Anybody Out There? ftp: A Poor Man's Throughput Tester | |
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| Traceroute: How Can I Get from Here to There? Nslookup: What's the Number for the Name? | |
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| Inexpensive Software | |
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| The Linux Alternative | |
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| No GNUs Are Bad GNUs | |
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| Internet Tricks | |
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| IP Forwarding | |
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| IP Masquerading/Address Translation | |
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| Protocol Translation | |
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| Dial-On-Demand Routing | |
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| Summary | |
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| A Day in the Life | |
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| A Day in the Life... | |
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| Daily Tasks | |
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| Strategies for Supporting Users | |
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| Summary | |
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| The Future Of Networking | |
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| Wireless LANs | |
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| Why Use Wireless Networks? | |
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| What Is Wireless Networking? | |
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| Wireless Network Applications | |
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| In-Office Wireless Networking Technologies | |
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| Out-of-Office Wireless Network Technologies | |
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| Not Built for Speed: Wireless Networking Performance Considerations | |
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| Why Wireless Networks Are Attractive to Networkers | |
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| Is Wireless Networking Ready for Prime Time? The Costs of Wireless Networking | |
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| Summary | |
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| Where Are Networks Going from Here? | |
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| What's Behind the Mandate for the Virtual Office? | |
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| Customer Service | |
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| Cost Reduction | |
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| Americans with Disabilities Act | |
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| Environmental Issues | |
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| Convenience | |
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| The Future of the Virtual Office | |
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| Designing Virtual Offices: Working with Management | |
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| Access Types | |
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| The Future of the Internet | |
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| The Dangers Facing the Internet | |
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| Some Thoughts on Solutions to Some of the Internet's Nemeses | |
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| A Solution to Organizational Confusion: New Top-Level Domains | |
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| Summary | |
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| Glossary | |
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| Index | |