Enterprise messaging with queues, topics, and sessions — reliable async communication for distributed systems on Azure.
Five passes over the same idea, each from a different angle. Do them in order, or jump to whichever you need.
Azure Service Bus provides fully managed message brokering with queues (point-to-point) and topics/subscriptions (pub/sub). Features include sessions for ordered processing, dead-letter queues, scheduled messages, duplicate detection, and transactions. It is the backbone of event-driven architectures on Azure.
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