Sun Java System Application Server Enterprise Edition 8.2 Release Notes for Microsoft Windows

Scalability

The Application Server supports horizontal scalability through clustering of server instances and requests for load balancing. The Application Server also achieves class leading vertical scalability that supports large multiprocessor machines. The integrated message broker can be clustered for better scalability and availability. Client access from HTTP clients, RMI/IIOP based Rich Client Applications, Web Services Clients, and JRM Clients can be load balanced to Application Server clusters.