Java PaaS Apache Stratos
Building your own PaaS using Apache Stratos
Apache Stratos (Incubating) is the Platform as a Service (PaaS) project from Apache community
Building your own PaaS using Apache Stratos - Webinar 2014-04-10
PaaS Design & Architecture: A Deep Dive into Apache Stratos
Cloud concepts
Private PaaS for the Enterprise - Apache Stratos & WSO2 Private PaaS