Server apparatus, data processing method, program, and communication method

摘要

A server apparatus for providing content data includes a generator configured to generate second management data based on first management data, the first management data managing first identification data for identifying the content data locally within the server apparatus, the second management data managing second identification data for identifying the content data globally outside the server apparatus, and an output unit configured to output the second management data generated by the generator to an external apparatus that uses the content data.