According to some embodiments, there is provided a communication device including: a processing unit and a notifying unit. The processing unit receives an acquisition request of first information from a requester and determines based on a predetermined condition whether or not the first information needs to be acquired from an acquisition destination of the first information. The notifying unit notifies a first response to the requester when the processing unit determines that the first information needs to be acquired, the first response containing an instruction of transitioning to a low power consumption status.