Before you begin
For optimal performance or scalability, Coherence is typically setup using WebLogic Server clusters. For example, a WebLogic Server cluster is used as a Coherence data tier and hosts one or more storage-enabled servers; a different WebLogic Server cluster is used as a Coherence application tier and hosts one or more applications; and lastly (if required) a different WebLogic Server cluster is used as a Coherence proxy tier and hosts one or more Coherence proxy servers. See Creating Coherence Deployment Tiers in Administering Clusters for Oracle WebLogic Server.
The main steps for configuring and deploying Coherence cluster tiers in WebLogic Server are: