| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a communication apparatus capable of starting a power supply from a remote place without adding specific processing to the other apparatus. Ž<P>SOLUTION: The communication apparatus 100 for controlling the power supply according to a packet transmitted from an opposite apparatus 101 via a router 102 includes: a main processing unit 201 having a normal mode and a power saving mode to execute main processing in the normal mode; a transmission/reception unit 204 for transmitting and receiving packets; a receiving packet analysis unit 207 for determining whether a receiving packet is a request packet for inquiring its own MAC address or not when the power mode of the main processing unit 201 is the power saving mode; a power supply control unit 203 for shifting the power saving mode to the normal mode when determining that the receiving packet is the request packet; and a cache deletion notification unit 209 for generating a cache deletion packet. The transmission/reception unit 204 transmits the cache deletion packet to the router 102 when the normal mode is shifted to the power saving mode. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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