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J2EE™ Applications and BEA™ WebLogic Server™ by Sandra L. Emerson, Rob Woollen, Michael Girdley

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Using Multicast JMS

A messaging system is commonly used as the application's communication backbone. Messages might travel to hundreds or thousands of subscribers. Appropriate message selectors can greatly limit the number of delivered messages, but systems with thousands of clients will still spend considerable system resources delivering messages.

WebLogic's JMS implementation provides a multicast option to efficiently deliver messages to a large number of subscribers.

The WebLogic JMS implementation optionally uses IP multicast to deliver a message to a potentially large set of subscribers. A message producer sends a JMS message to the WebLogic Server using a standard JMS connection. The WebLogic Server then sends a single message via IP ...

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