Infrastructure-as-a-service (IaaS) and platform-as-a-service (PaaS) leadership is going to determine the winner of the battle for dominance in the cloud.
Beginning with the well-known Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS) structure, Gartner added in a Business and Information Systems layer that includes brokerages, management and security.