This figure shows web application session state failover to another OC4J process in the same OracleAS Cluster (OC4J) as a failed OC4J process. This is within the context of a single OC4J instance in a single Oracle Application Server instance. The OracleAS Cluster (OC4J) has two OC4J processes. One of them has failed. The remaining process takes over the workload of the failed process.