Object invocation and management in the zenith distributed multimedia information-system

Future object management systems will need to provide support for a new class of information systems: distributed multimedia design environments. Such environments pose new challenges for object management systems, requiring the integration of object-oriented techniques, distributed systems and multimedia technologies. The resulting systems must address a broad range of requirements and manage objects with a wide variety of characteristics. To meet these challenges a flexible approach to object management is required We demonstrate how such flexibility can be achieved without incurring undue management overheads by considering the implementation of three key features of a distributed object-oriented system: persistence, object migration and access control.