High availability features such as load balancing and session failover are discussed in detail in the Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide. This Developer's Guide describes the following features in the following sections:
For information about HTTP session persistence, see Distributed Sessions and Persistence.
For information about checkpointing of the stateful session bean state, see Stateful Session Bean Failover.
For information about failover and load balancing for Java clients, see Chapter 8, Developing Java Clients.
For information about load balancing for message-driven beans, see Load-Balanced Message Inflow.