SQS vs SNS vs Kinesis

SQS:

Consumers pull data.

Data is deleted after being consumed.

Can have as many workers (consumers) as you need.

No need to provision throughput.

No ordering guarantee (except with FIFO queues).

Individual message delay.

SNS:

Push data to many subscribers.

Up to 10,000,000 subscribers.

Data is not persisted (lost if not deleted).

Pub/sub.

Up to 10,000,000 topics.

No need to provision throughput.

Integrates with SQS for fan-out architecture pattern.

Kinesis:

Consumers pull data.

As many consumers as you need.

Possible to replay data.

Meant for real-time big data, analytics, and ETL.

Ordering at the shard level.

Data expires after X days.

Must provision throughput.

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