Messaging
CoreAzure Service Bus
Enterprise queues and topics with settlement, sessions, and dead lettering.
Key points
- Service Bus provides durable queues and topics with settlement, sessions, retries, and dead-lettering.
- Consumers must remain idempotent and define ordering scope, poison-message handling, and back-pressure.
Best-known use cases
- Process ordered business commands or give subscribers independent durable backlogs.
What candidates often confuse it with
- Service Bus handles enterprise messages; Event Grid routes discrete notifications and Event Hubs ingests event streams.
Key takeaway
Choose Service Bus when commands or business events require durable delivery, settlement, ordering, or dead-letter handling.
Relevant exam tasks
- D4.2.S1 — Recommend a messaging architecture