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Queues in WSO2 MB are essentially message stores, which can store messages from external JMS clients (publishers) and maintain them in an intermediate state until they are consumed by other JMS clients (subscribers).Image Removed

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TopicConcept TopicConcept

Topics

Topics in WSO2 MB are used for realtime message brokering. As depicted by the following diagram, you can maintain a hierarchy of topics or subjects in MB for which messages can be published by external JMS clients (publishers). Other JMS clients (subscribers) can subscribe to the topics of interest and receive the messages published to the topic.
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Sub and Pub Sub and Pub

Subscribers and Publishers

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