This Recommendation provides functional requirements of physical machine for cloud computing based on cloud computing infrastructure requirements in [ITU-T Y.3510]. It addresses the following subjects: ?C Overview of physical machine; ?C Functional requirements of the physical machine. The functional requirements provided in this Recommendation are derived from use cases. NOTE 1 - This Recommendation does not advocate@ imply@ or assume the use of any specific set or sets of technical specifications. Examples of such sets of technical specifications can be found in Appendix I. NOTE 2 - This Recommendation addresses a set of use cases which are included in Appendix II.