SNS

  • SNS follow push mechanism to deliver the notification to the client, it eliminates the need of periodically check or poll new information and update.

  • SNS can push notifications to mobile devices, email, or any http endpoint.

  • To prevent the messages from being lost all messages published to SNS are stored redundantly across multiple AZ.

  • SNS allows you to group multiple recipients using topics. A topic is an “access point” for allowing recipients to dynamically subscribe for identical copies of the same notification.

One topic can support deliveries to multiple endpoints

Benefits

  1. Instantaneous, push based delivery

  2. . Simple api and easy integration with applications.

  3. flexible message delivery over multiple transport protocol.

  4. Inexpensive, pay-as-you-go model with no up-front costs. $ 0.50 per 1 million SNS request

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