Difference between Point to Point and Publish/Subscribe models in JMS.

In point to point communication (one producer and one consumer), the producers and consumers of the message are defined. The producers push the messages in the queues and the receivers retrieve them. It is highly reliable.

In publish and subscribe method (one producer and one or more consumer), the producers publish the message and the subscribers who have subscribed to that topic receive them. In this way, a message may be received, or processed, by multiple consumers. It is unreliable however very fast.

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