Par Marek Jelen http://osdc.fr/2012/talk/4351
Learn what a PaaS is and what technologies are used to make it run. In the first part we will discover what PaaS is good for and what problems it solves. In the second part we will discuss internals of OpenShift - and open-source PaaS. You will learn what technologies are used to make OpenShift work and we will also learn how to run your own PaaS.