Appendix A. RMI and JNDI
Java Remote Method Invocation (RMI) and the Java Naming and Directory Interface (JNDI) are two central Java technologies that EJB 3 uses extensively under the hood. RMI is the technology that enables transparent Java native remote communication between EJB clients and beans. JNDI, on the other hand, enables a whole host of EJB functionality by acting as the central service registry for a Java EE container. One of the major enhancements in EJB 3, dependency injection (DI), is simply a wrapper over JNDI lookups.
In this appendix we offer a brief primer on both of these technologies, especially as they relate to EJB 3.
A.1. Distributed communication with RMI
Java RMI made its debut very early in Java’s history. (also ...
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