The WebSphere platform from IBM, with its rich function set, industry leading performance and scalability, as well as configuration flexibility, is one of the leading products of the application server generation. For the experienced J2EE developer, this book details how to develop, deploy and manage enterprise applications for version 5.0 of IBM's WebSphere Application Server. Over the course of the book a large-scale e-commerce application is developed that demonstrates the use of WebSphere Application Developer Studio for the creation of J2EE applications, as well as functionality of the application server, including Web Services, Application Profiles, and Enterprise Workflows. The book also addresses other enterprise-level issues such as security, deployment topology and server administration. This book is written by IBM's WebSphere Experts and Architects: Rob High is the Chief Architect for WebSphere foundation; Eric Herness is the Senior Architect for WAS Enterprise; Jim Knutson is the Senior Architect for WAS J2EE; Chris Vignola is the Lead Architect for WAS for zOS; Tim Francis the Senior Architect for WebSphere Studio Application Developer; and Kim Rochat is an Architect for WAS Web Services.