Azure Service Bus provides a robust and scalable messaging infrastructure. It provides the framework to connect on-premise and cloud-based applications/services together.

Using topics with the Service Bus provides the framework to build scalable publish/subscribe message exchange patterns.

You learned how to wire up a Logic App to a Service Bus topic and how to subscribe to the messages using another Logic App.

In the next chapter, we will look at Event Hubs and IoT Hubs, which are another form of message queuing.

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