Portal and Portlet Question:

Highly integrated web applications’ costs reduce by portals. JBoss enables the reusability of branding and deploying new applications of composite nature.
The users and the industry can be customized, personalized their experiences in a secure and well governed manner by using JBoss portal.
JBoss incorporate components into a portal as reusable and standardized portlets, as Jboss is platform independent.
Performance and scalability is ensured.