Session Beans and WebLogic Server Clustering

Many business applications are very sensitive to system failures. Companies have to offer 24/7 availability to remain competitive. To minimize system failures, WebLogic enables you to cluster services across multiple server instances. If one server fails, another server can service the request. Thus, clients will seldom realize that there has been a (partial) system failure, and can continue processing transparently.

Cluster provides two advantages to an enterprise:

  • Load balancing— Calls are balanced across different cluster instances, thus enhancing performance.

  • Failover— Calls that fail due to system failures are retried with other servers in the cluster instance, thus minimizing errors.

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