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The World Wide WebThe World Wide WebThe World Wide WebThe World Wide Web

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The WebThe WebThe WebThe Web• Descendant of

ARPAnet• Subset of Internet• Created in 1989

– Tim Berners-Lee– CERN Particle

Physics Laboratory, Switzerland

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A Very Big Client/Server NetA Very Big Client/Server NetA Very Big Client/Server NetA Very Big Client/Server Net• Clients (browsers)

– Netscape Navigator– Microsoft Internet Explorer– Microsoft WebTV

• Servers– Internet Service Provider (ISP)– Gateways– HyperText Transfer Protocol (HTTP)– File Transfer Protocol (FTP)– UNIX and Microsoft Windows NT

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Key PlayersKey PlayersKey PlayersKey Players• Standards

– World Wide Web Consortium (W3C)

• Domain Names– InterNIC, a division of Network Solutions– Authorized by the National Science

Foundation

• Gatekeepers– Netscape & Microsoft– AOL, CompuServe, Yahoo, et.al.

• Search Engines

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BandwidthBandwidthBandwidthBandwidth• Dial-up telecommunications• Dedicated telecommunications• Corporate Intranet• Cable-modem

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Universal LanguagesUniversal LanguagesUniversal LanguagesUniversal Languages• Cross-platform• HTML - Hypertext Markup Language• DHTML - Dynamic HTML• JavaScript

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What is a Web Site?What is a Web Site?What is a Web Site?What is a Web Site?• Multi-level hierarchy• Non-linear document

Home Page

Products Services Dealers

Audio Video

Home Theatre

Consulting & Training

Best Buy

Circuit City

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Web DesignersWeb DesignersWeb DesignersWeb Designers• Information Designer

– favors content and navigation– clean and user friendly

• Artist– favors visual– creative, challenging imagery

• Graphic Designer– type design– professional layout

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The World Wide WebThe World Wide WebThe World Wide WebThe World Wide Web