Biographical note

David Salter is an enterprise software architect who has been developing software professionally since 1991. His relationship with Java goes right back to the beginning, using Java 1.0 for writing desktop applications and applets for interactive web sites. David has been developing Enterprise Java Applications using both the J2EE standards and open source solutions for the last five years. David runs the Java community web site Develop In Java, a web site for all levels of Java developers. Frank Jennings works in the Information Products Group of Sun Microsystems Inc. He has more than 9 years of experience in Java, SOA and System Design. He is an Electronics Engineer from Madras University and has worked for several open source projects. Frank has written regular columns for leading Java journals including Java Developer's Journal and Linux Developer's Week. Frank is also the co-author of the book SOA Approach to Integration focusing on SOA design pattern for enterprises. Frank also is involved in the technical publication of Sun Microsystems in the fi elds of Solaris and Developer AMP Stack. His blog can be read at http://blogs.sun.com/phantom and he can be reached at theghost@sun.com. He also holds a Post Graduate Diploma in Computer Science and an Advance Diploma in Computer Integrated Management from University of Indianapolis