November 2003
Intermediate to advanced
1488 pages
36h 35m
English
Undoubtedly the two most important attributes of robust distributed applications are their capacity to scale and their availability. Effective application services must be able to meet the ever-increasing demands on application and Web servers through the addition of more servers to handle the load. Applications and services must be available 24 hours a day / 7 days a week, and increased loads or system failures should appear transparent to the end user.
WebLogic achieves scalability and high availability through the implementation of clusters. A cluster, loosely defined, is an environment where services are shared across two or more servers in a domain. Scalability is achieved through load balancing ...
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