Description: A new bag of tricks for developing Web services SOAP can\'t deliver Summary SOAP (Simple Object Access Protocol) and its supporting standards, such as Jini and EJBs (Enterprise JavaBeans), cannot deliver certain Web services. Jini and EJBs are good for enterprise-level applications, but not for all cross-enterprise applications. This article describes Jtrix, an open source Web services platform for secure, roving applications. It examines the limits of existing standards,