One of the central planks of the DELOS Joint Programme of Activity is global prototype development with the objective of developing a joint prototype for the future DELOS Digital Library Management System (DELOS DLMS) capable of making available results from the many groups operating within the DELOS Network. The prototype is based on existing OSIRIS/ISIS middleware further developed and extended for data streams and medical objects at UMIT with plans for further extensions at the University of Basel. The system provides generic, i.e. application- independent, services that include the registration of services and processes, interface for application development, an engine for decentralized execution of (search and maintenance) processes, service for load balancing and failure treatment.