Patent ID: 8321897

Claim:
A transmission method for transmitting contents from a first device that stores said contents to a second device via a transmission path, said transmission method comprising the steps of: designating a predetermined data format and transmitting information indicating all the contents stored in the first device that is transferable in the designated data format: transmitting each of the contents stored in the first device transferable in the designated data format and information indicating a plurality of transfer protocols which are all of the transfer protocols capable of transferring each of the contents, to a controller on the transmission path, wherein the information indicating the plurality of transfer protocols is expressed by an expressing method of a predetermined format that can be transferred by IP protocol, and selecting, by the controller, a designated transfer protocol among the plurality of transfer protocols capable of transferring each of the contents according to the information transmitted to the controller, wherein said controller instructs said second device to load said contents by designated transfer protocol; and performing transmission management based on said information at the time of transmission of said contents between said first device and said second device.