Amazon Simple Notification Service (SNS)
The Amazon Simple Notification Service (SNS) may be accessed from the Amazon SNS tab of the AWS Console.
Amazon Simple Notification Service (SNS) provides event and notification services from and to the AWS framework. SNS events may be sent from AWS to inform subscribers of alerts and critical thresholds. SNS alerts can be linked to CloudWatch performance alerts, although at this point this functionality is not supported within the AWS console.
Publish and subscribe
SNS is a publish and subscribe messaging system. Systems or people subscribe to topics, in which messages are published. When a message is published to a topic, all users or applications subscribing to the topic are guaranteed delivery. There are essentially three methods by which you may subscribe to SNS:
E-mail – In which you or the application will receive an e-mail detailing the message.
HTTP – In which a web service will be called with the message as a parameter.
SQS – In which a message...