Patent ID: 8832248
Filing Date: 2014-09-09
Classification: G06F

Abstract:
1. A proxy device acting to manage a power supply for a computer, the proxy device and the computer being installed within a LAN (local area network), said proxy device comprising: a processor to execute a process including: when a sleep invocation notification indicating that the computer is going into a sleep mode is received from the computer, sending a second address not used within the LAN to the computer; creating a virtual interface having a first address, which are received from the computer together with the sleep invocation notification and which were used by the computer before the notification is sent; broadcasting a packet to the LAN, the packet indicating that a location of the first address has shifted from the computer into the proxy device; sending a restoration instruction notification instructing the computer to restore from the sleep mode to the computer, which has switched to using the second address, if the virtual interface receives data destined for the first address; and deleting the virtual interface if a restoration completion notification indicating that the computer has restored from the sleep mode is received from the computer after the sending of the restoration instruction notification.