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Setting up SNS

What does the coach mean by fan-out SNS?

2 Answers

By definition, "fan-out" means: to spread something apart or to cause something to spread apart.

The instructor did explain about the concept: one message comes into SNS, got duplicated and then sent to many different SQS queues. This is a special setup when different backend workers are listening to different SQS queues, but they must all be aware of a specific piece of information when it appears.

Thanks that makes sense

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