Method and apparatus for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data recorded in multiple locations

An apparatus for reproducing A/V data recorded on an interactive recording medium, comprising:

• a receiving unit adapted to receive playback control information for the A/V data from a contents providing server, the playback control information including a presentation time associated with additional contents data, wherein the additional contents data is associated with the A/V data and is provided from the contents providing server;
• a buffer memory adapted to store the received playback control information, the buffer memory being divided into at least two areas logically, the received playback control information being stored in one area among two areas;
• a presentation engine adapted to reproduce the A/V data and the additional contents data;
• and
• a controller adapted to control a presentation of the A/V data reproduced from the interactive recording medium in conjunction with the additional contents data received from the contents providing server using the playback control information.