VMware vCloud Director 5.1 Networking Concepts
Source: Global Knowledge
VMware vCloud Director engineers the provisioning of the software-defined datacenter layer to allow for a complete virtual datacenter delivery within a short period of time. This software-defined datacenter level provides the vCloud external connection while the organization and vApp networks are created within that vApp. Understanding how to create the different network layers and what is involved with the creation of network pools is integral to the success of a vCloud environment.