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Web 2.0 MIS XLB.B Jack G. Zheng May 27 th 2008. 2 Evolution of Web Pre-web (before 1990) Early web (1990s) Dynamic web (since late 1990s) Infrastructural.

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Presentation on theme: "Web 2.0 MIS XLB.B Jack G. Zheng May 27 th 2008. 2 Evolution of Web Pre-web (before 1990) Early web (1990s) Dynamic web (since late 1990s) Infrastructural."— Presentation transcript:

1 Web 2.0 MIS XLB.B Jack G. Zheng May 27 th 2008

2 2 Evolution of Web Pre-web (before 1990) Early web (1990s) Dynamic web (since late 1990s) Infrastructural web (21 st century) Web 2.0 (current?)

3 3 Pre-Web Internet TCP/IP (Transmission Control Protocol/Internet Protocol) protocol architecture Applications FTP Usenet Telnet (No web)

4 4 Early Web Sir Tim Berners-Lee, 1989 Fundamental elements of Web HTML HTTP URL/URI (+DNS) Web is a medium: mainly for presenting information

5 5 Web server File system Simple Web Architecture A simple client/server architecture Static HTML files Online presence, information publication

6 6 Dynamic Web Using client side and server technologies Client-side scripting (JavaScript, ActiveScript) Programmable browser plug-ins (Applet, Flash …) Database driven Programming platforms Web is part of a computer application: a presentation layer (interface) to more complex web applications

7 7 Infrastructural Web Web becomes a fundamental platform for enterprise information systems and many distributed systems Web technologies are commonly and intensively used Multi-tier system: application servers and database servers are becoming part of the web infrastructure Beyond just websites; becoming a platform for many kind of services New technologies Rich client: AJAX XML family technology: bringing structure and meaning HTTP and XML based application protocols Web services: from information to services Security infrastructure: SSL, PKI

8 8 Web 2.0 Next-generation usage of web Massive participation, sharing and collaboration Blog, Wiki Richer interface, more responsive and interactive AJAX More distributed and service-oriented Web services, RSS More adaptive Adaptive website, mash-up …

9 9 Good Resources Web 2.0 from wikipedia A video clip from ZdNet From OReilly 2005/09/30/what-is-web-20.html 2005/09/30/what-is-web-20.html


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