6a01f810_oud_Models___Open_Source_Cloud__Infrastructure_Provision
[0] Datacenter Integration [Datacenter Virtualization] Easy to adapt to fit into any existing infrastructure environment to leverage IT investments [Infrastructure Provision] 
Built on new, homogeneous commodity infrastructure
Eucalyptus, CloudStack, OpenStack & OpenNebula: A Tale of Two Cloud Models | Open Source Cloud
Infrastructure Provision