Lean service architectures with Java EE 6

Although Java EE 6 is far less complex than previous platform versions, it can still be misused to create exaggerated and bloated architectures. In this article, Adam Bien delineates the essential ingredients of a lean service-oriented architecture (SOA), then explains how to implement it without sacrificing. The Elements and patterns of a lean SOA are desicussed more in details in the following link http://www.javaworld.com/javaworld/jw-04-2009/jw-04-lean-soa-with-javaee6.html