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This paper presents the current andfuture work on a Distributed Service Provider Simulation (DSPS) using CORBA that keeps track of available parking slots and tables in restaurants in a dynamic fmhion. The communication architecture of the DSPS simulator is based on the Object Management Groups (OMG) Common Object Request Broker Architecture (CORBA) standard Starting with an overview of the project requirements, the CORBA middleware and the software modules of the DSPS environment are described with respect to project requirements. With the DSPS simulating restaurant reservation system, performance measurements evaluating critical design and implementation decisions are described. The main aspects of the performance analysis are the attained application performance using CORBA as communication middleware, and the scalability of the overall approach. The evaluation shows the appropriateness of the design of the DSPS environment and the derived sofrware architecture. which is flexible and open to further extensions.