Application
server clusters:
With Network Deployment, you can use application server clustering to
enhance workload distribution. A cluster is a logical collection of
application server processes that provides workload balancing and
high availability. Application servers that belong to a cluster are
members of that cluster and must all have identical application
components deployed on them. Other than the applications that are
configured to run on them, cluster members do not have to share any
other configuration data.
Clustering
is of two types:
- Vertical Cluster
- Horizontal Cluster
Application server of the Vertical Clusters can be located on single node
Horizontal Cluster
Application server's Horizontal Cluster can be located across multiple nodes or a combination of two cluster members. A cluster can span machine or LPAR boundaries and can span across operating systems with one exception.
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