You can add, delete, and configure various sites to create the infrastructure.

You can add a management domain, workload domain for central site or regional sites. You can add compute clusters, or cell sites in Infrastructure Automation. You can also add a host for each site and perform security management for each appliance within domains.

You can modify the details of an already added site and view the appliances related to each site. You can resynchronize the site details after modifying the configurations, to ensure that all the configurations are working correctly.
Figure 1. Domains
Domains