2. Auto-Scaling and Cloud Bursting : 2.1 Prerequisites
   
2.1 Prerequisites
The following applications are required to provide the auto cloud scaling and bursting capabilities:
*vCloud Director 1.5 or later and associated components.
*F5 load balancer with API version 11 or later.
*vCenter Orchestrator 5.1 or later.
*vCloud Director plug-in for vCenter Orchestrator 1.5 or later.
*F5 iControl plug-in for vCenter Orchestrator.
vCloud Director provides the cloud, vCenter Orchestrator provides the automation and integration, and the F5 Networks components provide the load balancing capabilities. You can use the vCenter Orchestrator client or the vSphere Web Client 5.1 as the user interface for the workflows.