Arash Kaffamanesh presents a lightning talk during Build A Cloud Day on Platform as a Service. While most open source solution in the Cloud as focused on the IaaS layer, the Platform layer is starting to see some increase development and testing. RedHat OpenShift is seeing great traction but software like Appscale, Stackato and Cloud Fundry are also being used. In this presentation Arash presented several protoypes of deploying a Platform as a Service solution on top of a CloudStack based cloud. Not shon in the slides is the fact that Stratos from WS02 is being voted as an Apache project in the incubator. the PaaS area is heating up.