4.7.1 Background
A network pool is an object in vCloud that creates and manages isolated networks using vSphere port groups. The vSphere port groups can be pre-provisioned in vSphere or created dynamically by vCloud as needed for organization or vApp networks.
The following types of network pools are available in vCloud Director:
VXLAN (dynamically created
vSphere port groups)
VLAN-backed (dynamically created
vSphere port groups)
vCloud Network Isolation-backed (
dynamically created vSphere p
ort groups)
vSphere port group-backed (manually created
vSphere port groups)