This document discusses Java EE 6 and GlassFish 3. It outlines that Java EE 6 and GlassFish 3 aim to provide a light-weight, extensible, and powerful platform. Key goals for Java EE 6 include making it more flexible, extensible by embracing open source frameworks, and easier to use and develop on. GlassFish 3 is the open source reference implementation of Java EE 6 and includes new features like clustering and centralized administration.