| A Brief History Of The Internet |
| Services Available On The Internet |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Web Browsers and Browsing |
| Connecting A Computer To A LAN |
| Connecting One Computer To Another |
| Circuit Boards Plug Into A Computer |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| A Brief History Of The Internet |
| Internet: The Early Years |
| A Global Information Infrastructure |
| TCP/IP Provides Communication Facilities |
| The Internet Offers Diverse Information Services |
| The Internet Infrastructure |
| Communication Infrastructure |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Services Available On The Internet |
| The Global Digital Library |
| Text, Audio, And Video Communication (IM, VoIP) |
| Remote Login And Remote Desktops (TELNET) |
| Internet Economics And Electronic Commerce |
| Faxes, File Transfer, And File Sharing (FTP) |
| Secure Access From A Distance (VPNs) |
| Facilities For Secure Communication |
| Bulletin Board Service (Newsgroups) |
| Advanced Web Technologies |
| World Wide Web Documents (HTML) |
| Browsing The World Wide Web |
| Automated Web Search (Search Engines) |
| Group And Personal Web Pages |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Internet: A Network Of Networks |
| ISPs: Broadband And Wireless Access |
| TCP: Software For Reliable Communication |
| Clients + Servers = Distributed Computing |
| NAT: Sharing An Internet Connection |
| IP: Software Virtual Network |
| TCP/IP Research Emphasized Practical Results |
| TCP/IP Software Was Engineered For Efficiency |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Relevance To The Internet |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Sound, Vibrations, And Analog Recording |
| Analog Electronic Devices |
| Many Electronic Devices Are Analog |
| Analog Is Simple But Inaccurate |
| Sending An Analog Signal Across A Wire |
| Using Digital To Recreate Analog |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Letters And Digits In Morse Code |
| Virtually Instant Communication |
| Relevance To The Internet |
| Binary Encoding Of Data On The Internet |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Communication Using Electricity |
| Modems Allow Two-Way Traffic |
| A Character Code For Digital Information |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Disseminating The Software |
| The Internet Doubles In Size In One Year |
| The Internet Improves Science |
| NSF Takes A Leadership Role |
| Target: All Of Science And Engineering |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Internet: The Early Years |
| The Proliferation Of LANs |
| Wide Area Technologies Exist |
| WANs and LANs Are Incompatible |
| The Desirability Of A Single Network |
| The Department Of Defense Had Multiple Networks |
| Connecting Disconnected Machines |
| The Shock Of An Open System |
| Open Systems Are Necessary |
| The Military Adopts TCP/IP |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Electronic Mail Among Computers |
| EBONE: The Internet In Europe |
| Backbones And Internet Hierarchy |
| Internet On All Continents |
| The World Of Internet after 1998 |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Packet Switching Avoids Delays |
| Each Packet Must Be Labeled |
| Network Hardware Handles Sharing |
| Relevance To The Internet |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Internet: A Network Of Networks |
| Network Technologies Are Incompatible |
| Interconnecting Computers Pass Packets |
| Interconnecting Computers Are Called Routers |
| Routers Are The Building Blocks Of The Internet |
| The Internet Includes Multiple Types Of Networks |
| Routers Can Interconnect WANs And LANs |
| The Hierarchical Structure Of The Internet |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| ISPs: Broadband And Wireless Access |
| Internet Service Providers And Fees |
| Customer Connections Form The Last Mile |
| Leased Circuits Are Expensive |
| Dial-up Access Is Inexpensive, But Slow |
| Broadband Connections Offer High Speed |
| The Important Concept Of Continuous Connectivity |
| Instantaneous Access Changes Use |
| Modern Technologies Offer Inexpensive Dedicated Access |
| Wireless Access Is Available |
| Wi-Fi And 3G Wireless Technologies |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| IP: Software Virtual Network |
| An Agreement For Communication |
| Basic Functionality: The Internet Protocol |
| IP Software On Every Machine |
| Internet Packets Are Called Datagrams |
| The Illusion Of A Giant Network |
| The Internet’s Internal Structure |
| Datagrams Travel In Packets |
| Every Computer Is Assigned A Unique Address |
| IP Addresses Are Not Random |
| A Trip Through An Example Internet |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| TCP: Software For Reliable Communication |
| A Packet Switching System Can Be Overrun |
| TCP Helps IP Guarantee Delivery |
| TCP Provides A Connection Between Computer Programs |
| The Magic Of Recovering Lost Datagrams |
| TCP Retransmission Is Automatic |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Clients + Servers = Distributed Computing |
| Large Computers Use Networks For Input And Output |
| Small Computers Use Networks To Interact |
| Distributed Computing On The Internet |
| A Single Paradigm Explains All Distributed Computing |
| Communicating Programs Are Clients Or Servers |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Naming A Computer Can Be Challenging Or Fun |
| Computer Names Must Be Unique |
| Suffixes On Computer Names |
| Domain Names Outside The US |
| Translating A Name To An Equivalent IP Address |
| Domain Name System Works Like Directory Assistance |
| Computer Name Lookup Is Automatic |
| IP Addresses And Domain Names Are Unrelated |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| NAT: Sharing An Internet Connection |
| High Capacity And Multiple Computers |
| It Is Possible To Share A Single IP Address |
| A Device For Connection Sharing Is Called A NAT Box |
| A NAT Box Acts Like A Miniature ISP |
| NAT Changes The Address In Each Datagram |
| Computer Software Can Perform The NAT Function |
| NAT Can Use A Wireless Network |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| TCP/IP Software Was Engineered For Efficiency |
| TCP/IP Research Emphasized Practical Results |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Description Of Functionality |
| Each User Has A Mailbox For Email |
| Notification That Email Has Arrived |
| A Browser Can Be Used To Send And Receive Email |
| Email Messages Look Like Interoffice Memos |
| Email Software Fills In Header Information |
| Using Email From A Personal Computer |
| Abbreviations Make Email Friendly |
| Aliases Permit Arbitrary Abbreviations |
| Sending To Multiple Recipients |
| Public Mailing Lists And Mail Exploders |
| Exchanging Email With Non-Internet Sites |
| Access To Services Via Email |
| Speed, Reliability, And Expectations |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Bulletin Board Service (Newsgroups) |
| Description Of Functionality |
| Many Bulletin Boards With Diverse Topics |
| Obtaining Network News And The Software To Read Articles |
| How Network News Appears To A User |
| Checking For News Articles |
| Impact And Significance Of Newsgroups And Mailing Lists |
| Hints And Conventions For Participating In Discussions |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Browsing The World Wide Web |
| Browsing Vs. Information Retrieval |
| A Menu Item Can Point To Another Computer |
| Combining Menu Items With Text |
| Embedded Links In Text Are Called Hypertext |
| Video And Audio References Can Be Embedded In Text |
| Browser Software Used To Access The Web |
| Recording The Location Of Information |
| A URL Tells A Browser Which Computer To Contact |
| A URL Tells A Browser Which Server To Contact |
| Use Of The Name www In URLs |
| A Browser Provides Access To Multiple Services |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| World Wide Web Documents (HTML) |
| A Browser Translates And Displays A Web Document |
| HTML, The Language Used For Web Documents |
| Instructions In A Web Page Control The Output |
| A Web Page Is Divided Into Two Main Sections |
| Indentation Can Make HTML Readable |
| The Body Of A Web Page Can Contain Text |
| Indentation Can Make Paragraphs Easier To Find |
| A Web Page Can Link To Another Page |
| HTML Allows Numbered And Unnumbered Lists |
| Images On A Web Page Are Digital |
| HTML Allows A Web Page To Include An Image |
| Text Can Appear Adjacent To An Image |
| Images Can Link To Another Web Page |
| Some Browsers Can Stretch Or Shrink Images |
| The Background Can Be Controlled |
| GUI Tools Help With Web Page Creation |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Advanced Web Technologies |
| Conventional Web Pages Are Static |
| Server Stores Static Web Pages |
| Conventional Web Pages Use The Entire Screen |
| A Web Page Can Change Part Of the Screen |
| The Web, Advertising, And Frames |
| Pop-Ups And Pop-Up Blockers |
| Controlling How A Browser Processes Data |
| A Server Can Compute A Web Page On Demand |
| Professional Programmers Build Server Scripts |
| A Web Page Can Display Simple Animations |
| Java Is An Active Document Technology |
| JavaScript Is An Active Document Technology |
| Flash And Real Technologies |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Group And Personal Web Pages (Wikis And Blogs) |
| The Disadvantage Of A Bulletin Board System |
| Shared Pages Are Called Wikis |
| Sharing And Consensus Building |
| The Disadvantage Of Wikis |
| Wikipedia Is An Experiment |
| Publication Of A Personal Diary |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Automated Web Search (Search Engines) |
| Description Of Functionality |
| Browsing Vs. Automated Searching |
| A Search Engine Helps Users Get Started |
| A Search Tool Can Help Recover From Loss |
| An Automated Search Service Operates |
| Gathering Information In Advance |
| Modern Systems Search Web Page Contents |
| Web Search Appears To A User |
| Search Engine Returns Results |
| Automated Search Services Use String Matching |
| The Advantages And Disadvantages Of String Matching |
| Automated Search Programs That Use Multiple Keys |
| Advanced Services Offer More Sophisticated Matching |
| Personalized Search Results |
| More Details About How Content Searching Works |
| Advertising Pays For Searching |
| Examples Of Automated Search Services |
| Significance Of Automated Web Search |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Text, Audio, And Video Communication (IM, VoIP) |
| Instant Messaging Provides Textual Communication |
| Audio And Video Functionality |
| Audio And Video Require Special Facilities |
| An Audio Clip Resembles An Audio CD |
| Internet Audio In Real-Time |
| Radio Programs On The Internet |
| Real-Time Audio Transmission Is Called Webcasting |
| Internet Telephone Service Is Possible |
| Internet Telephone Service Is Known As VoIP |
| A Cooperative Document Markup Service |
| The Participants Discuss And Mark A Document |
| Video Teleconference Among Groups Of People |
| A Combined Audio, Video, Whiteboard, And IM Service |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Faxes, File Transfer, And File Sharing (FTP) |
| The Internet Can Be Used To Copy Files |
| FTP Is Invoked From A Browser |
| FTP Allows A User To View Directory Contents |
| FTP Allows A User To Upload Files |
| FTP Transfers Must Be Authorized |
| Impact And Significance Of FTP |
| Peer-To-Peer File Sharing |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Remote Login And Remote Desktops (TELNET) |
| Early Computers Used Textual Interfaces |
| A Timesharing System Requires User Identification |
| Remote Login Resembles Conventional Login |
| Escaping From Remote Login |
| The Internet Remote Login Standard Is TELNET |
| Remote Access Can Display A Desktop |
| Assessment Of Remote Login And Desktops |
| Generality Makes Remote Login And Desktops Powerful |
| Remote Access Accommodates Multiple Types Of Computers |
| Unexpected Results From Remote Access |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Facilities For Secure Communication |
| Lack Of Security Can Be Important |
| Authentication And Privacy Are Primary Problems |
| Encoding Keeps Messages Private |
| Computer Encryption Uses Mathematics |
| No Network Is Absolutely Secure |
| Encryption Makes Email Private |
| Encryption Software Needs A Key |
| Firewalls Protect Networks From Unwanted Packets |
| A Firewall Filters Packets |
| Firewalls Guard Against Trojan Horses |
| Residential And Individual Firewalls |
| Systems Exist To Detect Intrusion |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Secure Access From A Distance (VPNs) |
| Organizations Grant Employees Special Privileges |
| Traveling Employees Lose Privilege |
| Telecommuters Do Not Have Privilege |
| Dedicated Leased Circuits Allow Secure Telecommuting |
| Standard Internet Connections Are Low-Cost |
| A Virtual Private Network Solves The Problem |
| The Illusion Of A Direct Connection |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| Internet Economics And Electronic Commerce |
| E-commerce Is Big Business |
| Security Technology Made E-commerce Possible |
| Public Key Encryption Provides Authenticity |
| Certificates Contain Public Keys |
| Digital Cash Is Not Widely Available |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
| The Global Digital Library |
| New Services Appear Regularly |
| Flexibility Permits Change |
| Card Catalogs And Search Tools |
| Internet Services Can Be Integrated |
| Information In The Digital Library |
| Internet Book, The: Everything You Need to Know About Computer Networking and How the Internet Works By Douglas E. Comer |
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