How is the MPEG-21 standard divided into parts?
The MPEG-21 standard has been designated ISO/IEC 21000 and has been divided into the following sub-parts to address specific areas described in Question 3 above: • Part 1: Vision, Technologies and Strategy • Part 2: Digital Item Declaration Language (DID) • Part 3: Digital Item Identification (DII) • Part 4: Intellectual Property Management & Protection Tool Representation and Communication System (IPMP TRACS) • Part 5: Rights Expression Language (REL) • Part 6: Rights Data Dictionary (RDD) • Part 7: Digital Item Adaptation (DIA) • Part 8: Reference Software Additional parts may be started whenever needed.
