Application PlatformCapability Building BlocksCapability Building BlocksC1Operating System / IaaSProvide life cycle management for operating systems (OS) and platforms (that run an OS to provide a function) in the organization.C2VirtualizationOversee and administer the operation of the virtualization environments, including the collective processes, tools, and technologies to ensure governance and control over the virtualized infrastructure.C3ContainersManage the platforms that facilitate the organization and virtualization of software containers.C4MiddlewareManage the software that acts as a bridge between the operating system or database and applications.