62WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
Horizontal clusters increase availability by removing the bottleneck of using only one physical
system and increasing the scalability of the environment. Horizontal clusters also support
system failover. For more information, see 8.3.5, “Horizontal scaling topology” on page 209.
2.6.3 Mixed cluster
Figure 2-37 illustrates a cluster that has four cluster members and combines vertical and
horizontal clustering. The cluster uses multiple members inside one operating system image
(on one system) and that are spread over multiple physical systems. This configuration
provides ...
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