CICS and Enterprise JavaBeans

ISM is supporting Enterprise JavaSeans(TM) (EJS) across its application ser ver products. Together with related Java(TM) technologies, EJS provides a s tandard programming model and set of services across major server platforms . This paper presents an overview of the EJS architecture and describes the technical strategy and design approach for the EJB capability that is bein g delivered in the latest release of the Customer information Control Syste m (CICS(R)). It explores why CICS customers want to use enterprise Java tec hnology, identifies some critical success factors for the CICS support of E JS, and explains its architecture in terms of a portable EJS container exec uting within the existing CICS runtime infrastructure, focusing on aspects such as transaction management, Java virtual machine reuse, and workload ma nagement. Application development tooling is then discussed, together with the strategy for exploiting tools such as VisualAge(R) for Java. Finally, t he paper considers future work and challenges for CICS in this area.