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Application Servers for E-Business by Lisa E. Lindgren

By Lisa E. Lindgren

The fashionable program server is a posh platform that's the linchpin of an company surroundings that features a very wide selection of technologies-web rfile formatting, internet protocols, server-side scripts, servlets, applets, programming languages, disbursed item applied sciences, defense services, listing and naming prone, load balancing, method administration, and others. As such, it may be a frightening activity to attempt to understand those platforms. program Servers for E-Business is helping using program servers in e-business. The publication offers a finished evaluate of the applied sciences concerning software servers of their facilitation of E-business. those applied sciences contain CORBA, Java, firm Java Beans, Java 2, internet servers, and legacy platforms. It explores the function those servers play within the smooth firm IT infrastructure and the surroundings within which they function. the cloth additionally contains implementation concerns for program servers, together with protection, scalability, load balancing, and fault tolerance.Chapter one offers an outline of software servers, the evolution of computing that took us from hierarchical, mainframe-centric environments to the net version of computing, and the explanation for E-commerce and E-business. Chapters via 5 conceal particular applied sciences, from net browsers and servers to applets and servlets. bankruptcy 3 presents an summary of Java applied sciences, and bankruptcy 4 covers CORBA. bankruptcy 5 discusses software servers intimately. considering that program servers are more and more aiding the major mission-critical tactics of an company, it truly is serious that organisations deploying them construct in "enterprise-class" amenities for safety, scalability, load balancing, fault tolerance, and administration. bankruptcy six discusses those deployment layout concerns. The ebook concludes with bankruptcy seven, a bankruptcy that provides numerous examples of some great benefits of program servers in huge companies. It additionally offers case reports that illustrate the choice strategy, and an summary of seventeen program servers. The chapters are equipped in a simple demeanour, with part and subsections sincerely indicated so that it will be simply skimmed. the great assurance provided during this publication makes it a great reference for IT administration and employees chargeable for specifying, designing, comparing, and enforcing digital trade ideas.

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Application Servers for E-Business infrastructure providers. The WAP Forum works with other organizations and with standards bodies (such as the W3C and the IETF) to coordinate related activities. According to the WAP Forum, Web access using wireless devices is distinctly different than PC-based Web access. Wireless devices have much lower CPU and memory capabilities than a PC. A wireless device has less power available to it and a much smaller display area than a PC. Wireless networks are characterized as having less bandwidth, higher latency, and less connection stability than wired networks.

These users tend to login to one or a few page 39 Application Servers for E-Business applications in the morning and maintain sessions throughout the day. These users are also usually proficient in the use of the character-based interface. In other words, these users are characteristic of a traditional legacy host user. The applet/control approach is attractive for this segment because it provides most or all of the functionality these users have had in the past while eliminating the cost and effort of manually installing and configuring fat-client emulation software on each and every desktop.

ActiveX is language independent and platform specific, which directly contrasts with the language dependence and platform independence of Java applets. Although Microsoft claims that ActiveX is supported on a variety of platforms, in reality it is closely tied with the Windows 95/98/2000 desktop operating system. Senior Microsoft executives have clearly stated that the Windows platform will always have priority and will always gain new functionality first when it comes to ActiveX. ActiveX technologies have evolved over time from the initial object technologies within Windows.

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