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Pertemuan 14 Servers for E-Business

Pertemuan 14 Servers for E-Business. Matakuliah : M0284/Teknologi & Infrastruktur E-Business Tahun : 2005 Versi : <<versi/revisi>>. Learning Objectives. List the components necessary for front-end and back-end of e-commerce transaction systems

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Pertemuan 14 Servers for E-Business

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  1. Pertemuan 14Servers for E-Business Matakuliah : M0284/Teknologi & Infrastruktur E-Business Tahun : 2005 Versi : <<versi/revisi>>

  2. Learning Objectives • List the components necessary for front-end and back-end of e-commerce transaction systems • Elicit the steps involved in establishing an e-commerce web site.

  3. Components of E-commerce • Clients (with access to internet) • Internet • Routing devices at the boundary of the enterprise. • Extra devices to defend the perimeter against potential hackers. • Web server / commerce server • Application servers (in advanced systems) • Back-end transactional software (includes TP monitors, database management system and data warehouse).

  4. TP monitor • A program that monitors a transaction as it passes from one stage in a process to another. • It ensures that a transaction is completed successfully, or roll-back occurs, partial transactions are prevented. • TP is important in three-tier architectures that employ load balancing. • TP coordinates ERP, SCM and CRM.

  5. Web Browsers • Not all browsers support all web functionalities. • Originally Lynx was developed to display limited text. • Later, graphics was added. • Later iterations, a range of functionalities added, at the cost of computing resources and slower download.

  6. Major players in the browser market • Microsoft Internet Explorer (I.E.) and Netscape Navigator. • I.E. is more integrated with desktop operating system (mainly Windows), which is also a Microsoft product. • Netscape did not have a new product release between 1998 and 2000 and lost the number one position, which it held only three years ago to I.E. • I.E now claims more than 3/4th of the market. • Both are freely available for the end user.

  7. Microsoft Internet Explorer • Browser for display of web pages. • NetMeeting for collaboration • FrontPage Express for building Web pages. • Outlook Express for fully functional e-mail. • Supports FTP, Gopher, NNTP, JavaScript, ActiveX controls etc. • Java applets can be executed in version 5.x • I.E. 6.0 strongly supports VBScript

  8. Netscape Communicator • Netscape Navigator browser • Netscape Messenger (fully configurable e-mail client) • Netscape Composer (HTML editor) • Netscape Conference (for telephony interface) • Collabra discussion (for news groups) • Netcaster (for push technology) • Add-ins compatibility. • Java applets can be executed. • Netscape 6.x based on Mozilla (an open-source code) supports XML, though less stable.

  9. Other Browsers - Opera software • Optimizes space and speed. • Strict adherence to HTML standards • Sophisticated and speedy web-browsing with news and e-mail • Secure 128-bit SSL encryption. • Ideal for older machines and mobile computing with less available memory or disk space. • Soon the BeOS, Linux and Mac versions will also be available. • Freely available for download (in advertising mode) .

  10. HotJava • Java web browser from SUN • has small requirements and is designed to work on a variety of devices. • Not widely used

  11. Microbrowser • Wireless devices are constrained computing device with limited CPU, memory, battery life, and simple user interface; • wireless networks are restricted with low bandwith, high latency, and unpredictable availability and stability. • wireless subscribers have different needs and desires than desktop, or even laptop Internet users • WAP (Wireless Application Protocol) specification was developed to address the technical requirements and market issues unique to the wireless environment.

  12. Microbrowser • e.g. OpenTV, 4thpass, Nokia, PIXO…

  13. Mozilla • An open source project from Mozilla.org • A modular web browser, designed for standards compliance, performance and portability • Platform-independent • DocZilla- the latest project with enhanced support for XML and SGML by Finnish company CiTEC.

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