This IBM Redbooks publication describes how to implement Web services in IBM WebSphere Application Server V7. It starts by describing the concepts of the major building blocks on which Web services rely and leading practices for Web services applications. It then illustrates how to use Rational Application Developer and the WebSphere tools to build and deploy a Web services application. In addition to the fundamentals of Web services development, this book provides information about advanced topics, including WS-Policy, WS-MetadataExchange, Web services transactions, WS-Notification, and WS-SecureConversation.