Open Source Apache CloudStack 4.2 Improves Compute, Storage and Networking
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CloudStack 4.2 introduces the idea of Regions, which is a scaling construct for the cloud platform.
"What it effectively provides are the mechanisms to support federation of multiple CloudStack management server clusters into a cohesive cloud," Apache CloudStack VP, Chip Childers said.
In a CloudStack deployment, he explained, a management server cluster is responsible for some number of zones. The addition of Regions allows those management server clusters to be aware of each other, and for operators to deploy management server clusters to support some subset of their overall zone set.