WebLogic Server Cluster

A WebLogic Server cluster is a group of WebLogic Server instances consisting of multiple Managed Servers that run simultaneously. The multiple Managed Servers work together to provide replication services for one another, and the Admin Server is not generally a part of any cluster. Most production deployments use clusters to... See more

When you create a domain with multiple Managed Servers, all those servers function independent of each other. A cluster, on the other hand, is a group of WebLogic Server instances that work as a single instance from the point of view of a client. The reason you use a cluster is to increase scalability and reliability by taking advantage of a... See more