Shaun Pereira

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 cluste... See more

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

WebLogic Server Domain

A domain is a set of WebLogic Server instances that you manage with the Administration Server, which itself is nothing but another WebLogic Server instance, albeit a special one. Any configuration changes you make to a domain will apply to all members of that domain. Domains offer you ease of administration—for example, you c... See more

WebLogic Server Instance

A WebLogic Server instance is a Java Virtual Machine (JVM) process that runs the Java code. The instance is the actively working component, receiving client requests and sending them on to the appropriate components, and sending the processed requests back to the originating clients. The server instance manages the resource... See more

What Is a WebLogic Server Cluster?

A WebLogic Server cluster consists of multiple WebLogic Server server instances running simultaneously and working together to provide increased scalability and reliability. A cluster appears to clients to be a single WebLogic Server instance. The server instances that constitute a cluster can run on the same mach... See more