[occi-wg] Opinion Poll: IaaS or PaaS ?

Sam Johnston's timely IaaS feature matrix brings up some interesting issues, one in particular, what are the specific features that can be included in an IaaS. Many of the IaaS provider are also providing one or more operating systems while other are providing closer to bare metal. Is the OS part of the Infrastructure or part of the Platform ? The question is: " Do operating systems belong in IaaS or PaaS. " Please lets us know you opinion -cheers gary mazz