"Last year I wrote a post titled Platform as a Service: The Next Generation Application Server? where I was referring to the shift from application server into platforms.
On my 2011 predictions I referred to a new emerging PaaS category targeted for those who be looking to build their own custom PaaS offering.
The demand coming from many SaaS providers to offer their own platform to their ecosystem players (a good example on that regard is Salesforce force.com) as well as the continues pressure of enterprises on their IT to enable faster deployment of new application and improve the utilization of their existing resources will force those organizations to build their own specialized PaaS offering. This will drive a new category of PaaS platform known as Cloud Enabled Application Platform (CEAP) specifically designed to handle multi-tenancy, scalability, and on-demand provisioning but unlike some of the public PaaS it needs to come with significantly higher degree of flexibility and control."...