Patent ID: 7295550

Claim:
A data transmission device for transmitting data to a data reception device in a home network, wherein: the data reception device stores a data receiving object containing push reception data relating to a push reception to receive data transmitted on the initiative of the data transmission device, said push reception data containing maximum size information denoting the maximum amount of data that can be received and then reassembled in the case of the push reception, and data storage information relating to storing the received data; and the data transmission device comprises a push reception data request unit for requesting the push reception data from the data reception device before transmitting data on the initiative of the data transmission device; wherein the data receiving object contains operating status information indicating whether a data reception service function for receiving data is enabled or disabled, and the data transmission device comprises a notification data transmission unit for sending notification data to the data reception device when the data transmission device turns on, and an operating status information receiving unit for receiving the operating status information from the data reception device when the data reception device can receive data in the case of the push reception.