Azure Service Bus covers topics, subscriptions, and dead letter queues

Short summary

Azure Service Bus enables loosely coupled communication through queues (one-to-one) and topics (pub-sub). Dead Letter Queues automatically isolate messages that fail after max retries, preventing data loss. Includes C# code for implementing enterprise messaging patterns and handling dead-lettered messages.

• •Queues handle one-to-one messaging; topics enable one-to-many publish-subscribe with independent subscriber filters
• •Dead Letter Queues automatically isolate failed messages after retries, preventing permanent loss and queue blocking
• •Production-ready C# code demonstrates message publishing, consumption, error handling, and DLQ inspection

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