The Adobe® JRun™ 4 provides the speed and reliability required to deploy and manage your standards-based Internet applications. It provides JINI based server clustering, allowing load balancing and automatic fail-over at virtually all levels. The JRun™ 4 automatically generates Java proxies for web services based on their WSDL files. Ideal for heterogeneous computing environments, this software runs on all the major operating systems including Windows®, Solaris, Linux, IBM® AIX, HP-UX, and Compaq Tru64. Its EJB container provides enhanced support for the EJB 2.0 features, including local interfaces, message-driven beans, and Container Managed Persistence (CMP 2.0). In addition, the Enterprise Deployment Wizard and the integration of XDoclet facilitate the development and deployment of EJBs. Featuring JRun™ Server Tags (JST) technology, this software allows you to write custom tags using JavaServer Pages.