What is a queue manager?

Before you can let your application programs use WebSphere MQ on your z/OS system, you must install the WebSphere MQ for z/OS product and start a queue manager. The queue manager owns and manages the set of resources that are used by WebSphere MQ. These resources include:

The queue manager has a name, and applications can connect to it using this name.

Figure 1 illustrates a queue manager, showing connections to different application environments, and the channel initiator.

Figure 1. Overview of WebSphere MQ for z/OS
A diagram showing an IMS application, a Batch application, and a CICS application, connected to a queue manager through adapters. The queue manager connects to other WebSphere MQ applications through its channel initiator.