This stage is the final stage for a mature cloud. At this stage a highly efficient, scalable cloud with hybrid capability is available for an organization. IT is delivered as a service. There is automated, policy-driven governance and control across the vCloud environment with zero touch operations supported by predictive and self-healing operational tool capabilities. True application mobility and device-independent access is available. The vCloud is considered to be the de facto model within the organization. The term strategic differentiator implies that IT has changed roles and become a business differentiator by increasing agility, resulting in faster time to market, increasing efficiency, resulting in reduced costs, and increasing reliability, resulting in dramatically increased quality of service. The following are key capabilities for this stage: