Before you read this book, you must install the Registry as described in Sun Java Enterprise System 5 Installation Guide for UNIX.
Service Registry is a component of Sun Java Enterprise System (“Java ES”), a software infrastructure that supports enterprise applications distributed across a network or Internet environment. You should be familiar with the Java ES documentation at http://docs.sun.com/coll/1286.2.
Some administrative tasks require you to be familiar with the basic concepts of these specifications: