Answer:
AWS EC2 auto scaling
Explanation:
The Amazon EC2 auto scaling is the service provided by AWS which helps one to maintain the application availability and also to enable one to automatically add as well remove the EC2 instances as per the conditions one wishes for.
One can add the EC2 or remove it manually in a combination with the AWS auto scaling for the predictive scaling of the application. We can also use dynamic and the predictive scaling features of the EC2 Auto Scaling so as to add or remove the EC2 instances
