Sun Java System Application Server provides high availability of remote EJB references and NameService objects over RMI-IIOP, provided all the following apply:
Your deployment has a cluster of at least two application server instances.
Java EE applications are deployed to all application server instances and clusters that participate in load balancing.
RMI-IIOP client applications are enabled for load balancing.
Application Server supports load balancing for Java applications executing in the Application Client Container (ACC). See Setting up RMI-IIOP Load Balancing and Failover.
Application Server does not support RMI-IIOP load balancing and failover over secure sockets layer (SSL).