Jaron CollisCore ConceptA server-side component architecture for developing and deploying distributed objects that implement enterprise-level systems.entity beanssession beansimplementationentity beansData-centric: used for an object view of data. Safe for use with multiple clients. persistencesession beansUsed to model transient information or services. Intended for use by a single client.statefulstatelessstatefulModel conversational aspects of system (workflow)statelessModel procedural aspects of system. e.g. construction of reports, validation of user detailspersistenceCan be container managed (automatic object-relational mapping), or bean-managed (custom persistence code written) for more complex cases.implementationEJBHomeEJBObjectEJBHomeEJBObjectfalsesoftware12002-12-09T00:00:43.816Z2003-01-04T20:33:20.025ZJBoss EJB containerhttp://www.jboss.orgSun's EJB pagehttp://java.sun.com/products/ejb/