As J2EE technology has evolved, much emphasis has been placed on the challenges of building enterprise applications and bringing those applications to the Web. At the core of the challenges currently being faced by Web developers is the integration of disparate user content into a seamless Web application and well-designed user interface. Portal technology provides a framework to build such applications for the Web.
Because of the increasing popularity of portal technologies, the tooling and frameworks used to support the building of new portals has evolved. The main job of a portal is to aggregate content and functionality. Portal servers provide:
A server to aggregate content
A scalable infrastructure
A framework to build ...