In Huawei's SDN solution, what is the wrong description of the FusionSphere business model?

Analysis: A POD is a physical unit, for example, a Fabric network can be thought of as a POD . As the basic deployment unit for carrying services, a set of resources can be deployed in one or more PODs, and a POD can also carry multiple sets of resources. . The VDC is a unit of resources, and the VDC supports cross-POD deployment, and the tenant rents resources at the VDC granularity. A VPC is a business unit that supports cross-POD deployment. Different VPCs for the same tenant can also be deployed in different PODs.