Exploiting Multidatabase Technology for CIM

Title Exploiting Multidatabase Technology for CIM
Author(s) M. C. Norrie, W. Schaad, H.-J. Schek, M. Wunderli
Type techreport
Organization Department of Computer Science, ETH Zurich
Month July
Year 1994


We describe an approach to the realisation of CIM systems through the coordination of autonomous component systems based on the exploitation of multi-database technologies. Each component system is augmented by a CIM Agent which provides a coordination interface; the interface specifies globally important local objects in terms of a global semantic model. System-wide consistency is ensured through the management of global constraints by a central coordinator along with cooperative multi-level transaction schemes. The CIM Agents are responsible for monitoring local activities and notifying the central coordinator of updates relevant to global consistency; they are also responsible for initiating local actions necessary for the maintenance of system-wide consistency as delegated by the coordinator. In particular, we describe the CIM/Z system which is being developed as part of a Swiss collaborative project on the use of database technologies for CIM.
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