Patent ID: 7620700

Claim:
A communication apparatus adapted to communicate with a second communication apparatus as a communication counterpart, the communication apparatus comprising: a first storage unit configured to store a first operation request from the second communication apparatus for requesting the communication apparatus to perform a predetermined operation and a first operation response to the first operation request; a second storage unit configured to store a second operation request for requesting the second communication apparatus to perform a predetermined operation; a status storage unit configured to store status information indicating which of not-processed status, presently-processing status and processed status as a current status of the first and second operation requests; an acquisition unit configured to acquire the first operation response associated with the first operation request from the first storage unit when a current status of the first operation response corresponds to a processed status in the status storage unit, and to acquire the second operation request from the second storage unit when a current status of the second operation request corresponds to a not-processed status in the status storage unit; and a transmission unit configured to transmit a communication request to the second communication apparatus, the communication request including the first operation response and the second operation request acquired by the acquisition unit.