How are the Java EE architecture and the Sun Java Enterprise System related?
The Java EE architecture is the foundation of the Sun Java System Application Server, a component of the Sun Java Enterprise System. The Sun Java System Application Server in the current Sun Java Enterprise System is based on Java EE 5. Developers familiar with Java EE technology can easily apply their skills to building applications, including web services applications, using the Sun Java Enterprise System. For more information, see the Sun Java Enterprise System Web site.