A year ago, Docker was announced. Thanks to our 3 plus years experience working with Linux containers, ActiveState could clearly see its potential and understand Solomon Hykes' vision for the future of containerization. We wasted no time making Docker part of Stackato.
In Krishnan Subramanian's post "PaaS Is Dead. Long Live PaaS", he makes a distinction between the old and new worlds of PaaS, citing two distinct "flavors of PaaS". The first being service orchestration and second being container orchestration.