Patent ID: 7586860

Claim:
A communication apparatus, comprising: an obtaining unit configured to obtain a first status and a second status of a first device through a first protocol, wherein the first device is connected to the communication apparatus via a network; a reception unit configured to receive a message of a second protocol that is transmitted from a second device to the first device via the network; a storage unit configured to store the message of the second protocol received by said reception unit, the first status of the first device obtained by said obtaining unit before said reception unit receives the message of the second protocol, and the second status of the first device obtained by said obtaining unit after said reception unit receives the message of the second protocol; a creation unit configured to create a command for changing a status of the second device from a status corresponding to the first status to a status corresponding to the second status, based on the message of the second protocol stored by said storage unit; and a transmission unit configured to transmit the command created by said creation unit to the second device.