Home > Integrated Products > VxRail > Guides > Planning Guide—VMware Cloud Foundation 5.1 on VxRail > Determine use cases for Cloud Foundation VI workload domain
Before performing an overall sizing effort for Cloud Foundation on VxRail, decisions must be made on the rules and criteria for the creation of VI workload domains within your business. The criteria can be for a range of reasons, for instance:
Each of these criteria impacts the resources that are required to support the workload planned for each domain. If plans include special use cases, such as the deployment of the Aria suite, the overhead required to support these product suites must be considered with the sizing effort.