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This chapter introduces different types of channels used in a messaging system, their behaviors, and how each of them can be simulated using WSO2 ESB.

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Point-to-Point Channel

How the caller can be sure that exactly one receiver will receive the document or perform the call.

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How the sender broadcasts an event to all interested receivers.

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How the application sends a data item such that the receiver will know how to process it.

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Invalid Message Channel

How a messaging receiver gracefully handles a message that makes no sense.

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What the messaging system does with a message it cannot deliver.

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How the sender ensures delivery of a message, even if the messaging system fails.

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How to connect an application to the messaging system to send/receive messages.

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Messaging Bridge

How multiple messaging systems can be connected so that messages available on one are also available on the others.

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Message Bus

An architecture enabling separate applications to work together in a decoupled fashion such that applications can be easily added or removed without affecting the others.

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hiddentrue

Messaging Channels, Integration Patterns with WSO2 ESB