VIRTUAL COMPUTER SYSTEM, CONTROL METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a virtual computer system including plural virtual computers capable of ensuring the security while reducing the overhead for executing security processing.SOLUTION: The virtual computer system includes a hypervisor, a first virtual computer and a second virtual computer operating on a hypervisor. The hypervisor is an area accessible from the first virtual computer without switching to the second virtual computer and includes a shared memory accesses management section that generates a first area storing a first program which is used for performing a data processing on the first virtual computer. The second virtual computer includes a second program for controlling the execution of the first program by the first virtual computer through controlling the first area based on a result to an authentication request made by the first virtual computer.