AWS CLOUD

SNS

1. SNA is a cost-effective capability to publish messages from an application and immediately deliver them to subscribers or other applications. It is designed to make web-scale computing easier for developers.
2. Amazon SNS follows the “publish subscribe” (pub subl messaging paradigm, with notifications being delivered to clients using a “push” mechanism that eliminates the need to periodically check or “poll” for new information and updates.
3. SNS service can support a wide variety of needs including event notification, monitoring applications, workflow systems, time-sensitive information updates, mobile applications, and any other application that generates or consumes notifications.
4. A common pattern is to use SNS to publish messages to Amazon SQS message queues to reliably send messages to one or many system components asynchronously.