1 / 32

Chapter 9

Chapter 9. Comparing Web Technologies. Agenda. Browser Hypertext Markup Language (HTML) Common Gateway Interface Web Application Server Plug-in. Browser. Selection Criteria Popular Browser Next generation. Selection Criteria. OS platform Unix Windows Lynx Standards

ssutton
Download Presentation

Chapter 9

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 9 Comparing Web Technologies

  2. Agenda • Browser • Hypertext Markup Language (HTML) • Common Gateway Interface • Web Application Server • Plug-in

  3. Browser • Selection Criteria • Popular Browser • Next generation

  4. Selection Criteria • OS platform • Unix • Windows • Lynx • Standards • World Wide Web Consortium (W3C) • Backward-compatible • Forward-compatible

  5. Selection Criteria • Functions • Frames • Forms • Tables • Fonts • Cascade style sheet (CSS) • JavaScript • Java

  6. Selection Criteria • Functions • Plug-ins • News • Mail • HTML editor • Reliability • Cost

  7. Selection Criteria • Support • Vendor • Third party • Hardware requirement • Server side • Client side • Speed/performance

  8. Selection Criteria • Types • Text-based • Multimedia-based • Online • Offline (Offline Explorer) • Standard compliance • Can you think any other selection criteria for browser?

  9. Popular Browser • Netscape Communicator • Internet Explorer • Opera • Lynx • Amaya • Arachne • HotJava

  10. Next Generation • Desired features • Integrated Internet service • Open source code for quality and portability • Real-time communication for chat • Small and modular programs • Speed • Standards Compliance • Anything else?

  11. Next Generation • Reality • Incompatible/proprietary feature • Complexity/more memory requirement • Unreliable/more bug/more insecure What do you think about the reality?

  12. Agenda • Browser • Hypertext Markup Language (HTML) • Common Gateway Interface • Web Application Server • Plug-in

  13. Hypertext Markup Language • HTML 4.0 • Dynamic HTML • Extensible markup language

  14. Agenda • Browser • Hypertext Markup Language (HTML) • Common Gateway Interface • Web Application Server • Plug-in

  15. Common Gateway Interface • General concepts • Languages • Language selection criteria

  16. General Concept • Common gateway interface (CGI) enables interaction between a web server and a browser using the hypertext transfer protocol (HTTP) • CGI handles information requests and return the appropriate document or generate a dynamic document • CGI is a gateway between database and web browser

  17. Languages • C • C++ • Java • JavaScript • Jscript • ECMAScript • Perl • Python • VisualBasic Script

  18. Language Selection Criteria • Hardware-independent • Browser-independent • Fast prototyping • Easy to use and read • Efficient and complete • Object-oriented • Portable • Multi-platform environment • Event handling and client-side execution • Create and read cookies

  19. Agenda • Browser • Hypertext Markup Language (HTML) • Common Gateway Interface • Web Application Server • Plug-in

  20. Web Application Server • General Concepts • Selection Criteria • Products

  21. General Concepts • Three-tier architecture • Client • Database server • Web application server • Functions of web application server • Transaction management • Clustering and load balancing

  22. Selection Criteria • Easy to use • Functions • File, proxy, redirect and virtual hosting • Interaction with heterogeneous databases • Availability • Security • Scalability

  23. Selection Criteria • Performance • Transaction Integrity • Speed • Quality of service • Rapid application development • Platform-independent

  24. Selection Criteria • Manageability • Portability • Integration with legacy systems Can you think any other selection criteria for web application server?

  25. Products • Avenida Web Server • Bea WebLogic Enterprise • Cold Fusion • Enterprise Application Server • eXcelon • Inprise Application Server • Lotus Domino Application Server

  26. Products • Netwcape Application Server • SilverStream • WebObjects • WebSphere Application Server • Sope

  27. Agenda • Browser • Hypertext Markup Language (HTML) • Common Gateway Interface • Web Application Server • Plug-in

  28. Plug-in • Purpose • Products

  29. Purpose • Interact with browser, web pages, local and Internet resources • Native application for a certain processor, hardware and operating system

  30. Products • Adobe Acrobat Reader • Acrobat portable document format (PDF) • Distribute online brochure and technical documentation via Internet • Apple Quicktime • Maximum exposure and viewing multimedia CD-ROM on the web

  31. Products • Platinum Cosmoplayer • Display documents in the virtual reality markup language (VRML) • 3D world • Macromedia Shockwave • Standard plug-in for multimedia on Internet Do you have any experience with these products?

  32. Points to Remember • Browser • Hypertext Markup Language (HTML) • Common Gateway Interface • Web Application Server • Plug-in

More Related