I/O virtualizationpresenting storage and networking resources to virtual machines through an emulated layer to provide hardware independence and portability.
Independent Virtual DiskIndependent virtual disks are not included in snapshots. Independent virtual disks can in turn be either Persistent or Nonpersistent.
infrastructureAn basic underlying framework or features of a system.
integration servicesA collection of services and software drivers that maximize performance and provide a better user experience within a virtual machine.