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A publish-subscribe channel, shown in Figure 5.2, is a message channel that enables multiple subscribers to consume any given message. This is in contrast with a point-to-point channel. Publish-subscribe channels are frequently used as a means of broadcasting events or notifications to multiple subscribers.

The following Fuse Mediation Router components support the publish-subscribe channel pattern:

  • JMS

  • ActiveMQ

  • XMPP

  • SEDA in Apache Camel Documentation for working with SEDA in the same CamelContext which can work in pub-sub, but allowing multiple consumers.

  • VM in Apache Camel Documentation as SEDA, but for use within the same JVM.

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