Yes.
In J2EE™ 1.3, the Java Messaging Service becomes an integral part of
the J2EE platform. In v5.0, WebSphere satisfies this requirement
with the Internal WebSphere JMS Provider that is installed with WebSphere
Application server. This component provides embedded Point-to-Point
and Publish and Subscribe support by introducing a new kind of WebSphere
Application Server server, the JMS Server.
Point-to-Point messaging employs a queue as the JMS
destination. Each message in the queue is delivered only to a single
consumer. Publish and Subscribe service employs a topic as the JMS
destination. Subscribers register their interest in a particular
topic. Publishers create messages that are distributed to all of the
subscribers. Multiple subscribers can subscribe to this topic, and
each subscribing client receives the message.
Each WebSphere Application Server Embedded Messaging JMS Server is
responsible for managing a Queue Manager and a roker. The broker is
the provider of the Publish and Subscribe service.
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