Chapter 8. Publish and Subscribe with External Applications

In Chapter 3, Distribute Messages Using the Pub-Sub Model, we introduced the idea of publishing and subscribing within ICS and looked at the benefits of using such a framework. However, the ICS publish and subscribe mechanism only works within ICS and cannot be accessed directly from external applications. Oracle does, however, offer a service known as Oracle  Messaging Cloud Service (OMCS) as part of its platform as a service group of services ( This provides all the benefits of publish and subscribe, as well as a provider-consumer pattern.

OMCS is an enterprise messaging solution built using WebLogic Messaging at its heart, but it extends this to provide ...

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