Java Server Page

The Internet was once full of Web sites hosting static pages ("brochure-ware") or simple forms at best. Now it's an interactive environment for transacting daily business, from shopping to trading stocks to interacting with suppliers, in a personalized and dynamic setting. Today, the tools and products to build dynamic, Web-based applications are still maturing. Traditionally, companies used CGI applications to generate dynamic content for Web pages. But that solution hasn't scaled well to support complex functionality and growing numbers of concurrent users. JavaServer Pages ^TM (JSP^TM) technology provides a highly scalable method for creating dynamic content for the Web. As part of the Java^TM family of APIs, JSP technology shares the Write Once, Run Anywhere^TM benefits of the Java platform, with easy access to a broad range of Java APIs. JSP technology enables a tiered development methodology that lets organizations leverage internal programming expertise to create applications that are fast to deploy and easy to maintain.

A Web-based client architecture may have three or more layers. This multitier architecture provides many benefits over a traditional (two-tiered) client/server architecture.

Installing and deploying the user interface is virtually instantaneous - only the Web interface in the middle tier needs to be updated.
Because the application itself is server-based, users always access the most up-to-date version.
Without a "thick" client interface, it is easier to deploy, maintain, and modify applications - no matter where the client is located.

These benefits explain the growing popularity of the multitier architecture, and why almost every client/server application provider has retooled or is retooling to support Web-based clients.

Development Tools and Methodologies Are Maturing

Companies building and deploying applications on this model are faced with an application environment that is still maturing. A number of different technologies - ranging from traditional CGI scripts to JSP technology - are available today to build the interactive, "customer-facing" component of these applications. The challenge is selecting an application architecture and component design that meets the evolving user needs (whether they be customers, partners, or internal staff) as well as the enterprise's own IT requirements.

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