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Oracle Application Server 10g: J2EE Deployment and Administration by Erin Mulder, Jan Machacek, Michael Wessler, Rob Harrop

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Chapter 21. Configuring Clustering and Failover

10g Application Server is designed to support the most critical and highly visible systems that businesses can demand. Some systems need to be available 24 7 and to do that, you must eliminate any single point of failure and introduce fault tolerance. While there are many facets to high-availability systems, the focus here is the web application server.

With 10g AS you can cluster your mid tiers on separate nodes so if any one fails, work is automatically sent to the other surviving nodes. Clustering also provides an important performance boost by being able to distribute the workload over multiple nodes when there would be too much work for even the largest machine to process. Running clusters is ...

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