WebSphere Business Integration Message Broker consists of the following components:

• Message Broker Toolkit for WebSphere Studio, which is a new feature replacing the Control Centre of WebSphere MQ Integrator Broker, as well as adding extended functionality in many new areas.

• Configuration Manager, which contains a repository for configurations and messages

• User Name Server, which is used for publish/subscribe security functionality

• Publish/subscribe functionality

• WebSphere MQ queue manager(s), which provide the underlying transport infrastructure for the WebSphere Business Integration Message Broker

• User application programs, which generate messages and request them to be transformed and routed to other destinations in a messaging infrastructure, according to specific business rules

• Message broker(s), the runtime component consisting of execution groups, containing deployed message flows.