Autoscaling allows scalability in the cloud by allocating the "right" number of active servers for a given "load". There is also a resiliency element as loss of capacity due to application or hardware failure can be compensated by autoscaling.
Companies like Netflix use autoscaling features in AWS EC2 (Elastic Compute Cloud) - note: autoscaling was officially added to EC2 in May 2009. Netflix declared a policy of aggressive scale-up and cautious scale-down had the optimal effect. In 2013, Microsoft announced addition of autoscaling to Azure.
Companies like Netflix use autoscaling features in AWS EC2 (Elastic Compute Cloud) - note: autoscaling was officially added to EC2 in May 2009. Netflix declared a policy of aggressive scale-up and cautious scale-down had the optimal effect. In 2013, Microsoft announced addition of autoscaling to Azure.
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