Parallel and Distribution Simulation Systems
Parallel and Distribution Simulation Systems
Grid-Based Data Management in Distributed Simulation
SS '00 Proceedings of the 33rd Annual Simulation Symposium
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The Data Distribution Management (DDM) services, one category of HLA management services, control filters for data transmission and reception of data volume among simulators. In this paper, we propose design concept of DDM and show its implementation for RTI. The design concept of DDM is to minimize total amount of message that each federate and a federation process generate using the rate of RTI service execution. The design of our proposed DDM follows that a data transfer mechanism is differently applied as the rate of RTI service execution. A federate usually publishes or subscribes data when it starts. The federate constantly updates the data and modifies associated regions while it continues to advance its simulation time. Therefore, the proposed DDM design provides fast update or region modification in exchange of complex publication and subscription. This paper describes how to process the proposed DDM and experiment a variety of scenarios while modifying a region, changing a overlap ratio, and increasing data volume.