What is Auto-scaling in Cloud computing?

AmazonWeb Services (AWS) providesan important featurecalled Auto-scaling in thecloud. WithAuto-scaling setup wecan automatically

provision and start newinstances inAWS cloud withoutany human intervention.

Auto-scaling is triggered based on load and other metrics.

Letsay iftheload reachesathreshold wecan setup auto-scaling to kick in and starta newserver to handleadditionalload.