Connection factories encapsulate connection information used by the application. They are either abstracted into administered stores where they are looked up or created by constructors in a client application. The preferred technique is to look up JMS administered ConnectionFactory objects stored in a JNDI store.

A Fuse Message Broker application starts by accessing a connection factory to create a connection that binds the client to the broker. Connection factories are administered objects so the details of connection operations can be abstracted from the application.