US Patent 8069362 Automated electrical power savings in virtualization environments

Methods and apparatus, including computer program products, are provided for shutting down a host, such as a computer, server, and the like, to enable power savings. In one aspect, there is provided a computer-implemented method. The computer-implemented method includes determining whether to shutdown an application at a virtual machine. The determination is made using information from the application. The virtual machine and application operate on a host. A power management mechanism of the host may be initiated to enable a power savings when compared to not shutting down the host. Related apparatus, systems, methods, and articles are also described.