How secure is MPEG-4 IPMP?
MPEG-4 only provides an interface to non normative IPMP Systems. Therefore, the security of MPEG-4 IPMP depends mainly on the particular IPMP Systems used by a particular application. Since IPMP requirements differ widely amongst various MPEG-4 applications, it is unlikely that a single IPMP System will be able to satisfy the requirements of all applications. This will result in the use of multiple IPMP systems to manage and protect various MPEG-4 applications. For this reason, a minimalist interface approach was chosen. It is anticipated that application domains having some specific IPMP requirements may specify particular IPMP systems.