Proxy device for managing power supply for server unit

摘要

A proxy device has: an address management portion for sending an alternative IP address and an alternative MAC address not used within a network to a server unit when a sleep invocation notification is received from the server unit; a virtual interface creation portion for creating a virtual interface having a server IP address and a server MAC address, which were used by the server unit before the notification is sent; a broadcasting portion for broadcasting a packet indicating that a location of the server IP address and the server MAC address has shifted into the proxy device to the network; a server wakeup processing portion sending a restoration notice to the server unit if the virtual interface receives data destined for the server IP address; and a virtual interface deleting portion for deleting the virtual interface if the server unit indicates restoration from the sleep mode.

主权项

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.