A Closer Look for Azure Functions, Azure Service Bus and Azure Event Hub — Considerations on Scaling Event-driven Architecture on Azure

Event driven architecture is common among large scale application, or cloud native application. In Azure context, Azure Event Hub and Azure Service Bus are the 2 most common Azure services to serve as messaging service and orchestrate messages to respective endpoint / micro-services.

Diagram below is a common snapshot on leveraging serverless approach to handle messages.

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