The management plane is represented by the NSX Manager, a single component deployed as a virtual appliance starting from an OVA file. NSX Manager is a single point of configuration gateway for REST API. NSX Manager relationship is 1:1 with the vCenter server. NSX Manager provides the plugin for the vCenter Web UI. NSX Manager is important for deploying controller cluster and ESXi host preparation, last is the deployment of NSX Edge. The distributed firewall is important.