devops video for a company runs several business-critical applications on Amazon EC2 instances in an Amazon VPC. The company requires the applications to be
A company runs several business-critical applications on Amazon EC2 instances in an Amazon VPC. The company requires the applications to be available 24/7 and there should be no outages except for pre-arranged updates. The DevOps team requires an automated notification mechanism that lets them know if the state of any of the instance’s changes.