3. DRM & Standardization

There are various reasons why the DRM market is slow to develop:

• users don't find registration and authentication procedures practical;

• publisher-distributors have not set up the internal content management systems that provide the necessary infrastructure for scalable network distribution;

• DRM systems are not compatible with each other or with back-end management systems.

Some of these limitations, especially the last, result from a lack of technology standardization, despite initiatives concerning :

• identification of media objects. In addition to media-specific identifiers ( ), the Digital Object Identifier (DOI), originally used by book publishers [63]...