af55d0fc_la__A_Tale_of_Two_Cloud_Models__Infrastructure_Provision
[0] Applications [Datacenter Virtualization] Multi-tiered applications defined in a traditional, “enterprise” way [Infrastructure Provision] 
“Re-architected” applications to fit into the cloud paradigm
OpenNebula | Eucalyptus, CloudStack, OpenStack and OpenNebula: A Tale of Two Cloud Models
Infrastructure Provision