af55d0fc_la__A_Tale_of_Two_Cloud_Models__Infrastructure_Provision
[0] Internal Design [Datacenter Virtualization] Bottom-up design dictated by the management of datacenter complexity [Infrastructure Provision] 
Top-down design dictated by the efficient implementation of cloud interfaces
OpenNebula | Eucalyptus, CloudStack, OpenStack and OpenNebula: A Tale of Two Cloud Models
Infrastructure Provision