As your cloud infrastructure grows in size, you need to devise strategies to maintain low latency in the API services and redundancy of your service. To cope with unplanned downtime due to natural forces or based on the hypervisor capability itself, the operator must plan for service continuity.
OpenStack Nova provides several concepts that help you segregate the cloud resources. Each segregation strategy brings in its own advantages and shortcomings. We must have a discussion to understand the tools available with an OpenStack cloud operator to manage the need for scale and availability of compute servers.