When you create clusters and cluster members, it is useful to understand the various replications domains that are used to create clusters.
Several replication domains are used within an IBM® InfoSphere® Information Server cluster:
- If you chose a memory-to-memory replication approach for HTTP session management, the replication domain replicates HTTP session information and the stateful EJB state across the cluster.
- Another type of replication domain is used to replicate cached data (data-cached applications that are part of the InfoSphere Information Server suite).
Both types of replication domains replicate cached data to all cluster members (a full-domain strategy). Replication domains are created automatically during the InfoSphere Information Server installation. You use the default IBM WebSphere® Application Server settings during installation. You can change these settings from the WebSphere Application Server administrative console after the InfoSphere Information Server installation.