Developing Internet applications with J2EE servers today usually consists of a presentation layer such as Struts, Tapestry, WebWork, or Spring. These tools generally follow Model-View-Controller (MVC) architecture and output HTML to a browser. The typical programming model for web development is to allow users to issue requests to an application server for each action in the application. For every action the user requests in the application, the server generates a new response that allows the user to submit a new request for more information. A browser typically is used to render the user interface to the user. However, browsers are thin clients with limitations that affect both development and the end-user experience.
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