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Choosing queue vs bus vs event stream
When do you pick SQS/Azure Queue vs SNS/Event Grid vs Kafka/Event Hubs?
Answers use simple, clear English.
Quick interview answer
Queues: competing consumers, work distribution, command processing. Pub/sub buses: fan-out notifications to many subscribers. Event streams: ordered, replayable, high-throughput event history for multiple independent consumers.
Detailed answer
Queues: competing consumers, work distribution, command processing. Pub/sub buses: fan-out notifications to many subscribers. Event streams: ordered, replayable, high-throughput event history for multiple independent consumers. Pick based on ordering, replay, fan-out, and retention needs.
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