# Summary

* SQS:
  * Queue service in AWS
  * For multiple Producers, messages are kept for up to 14 days
  * Multiple Consumers share the read and delete messages when done&#x20;
  * Used to decouple applications in AWS
* SNS:
  * Notification service in AWS
  * Subscribers: Email, Lambda, SQS, HTTP, Mobile...
  * Multiple Subscribers, send all messages to all of them&#x20;

• No message retention

* Kinesis: real-time data streaming, persistence, and analysis
* Amazon MQ: managed message broker for ActiveMQ and RabbitMQ in the cloud (MQTT, AMQP.. protocols)
