SS '01 Proceedings of the 34th Annual Simulation Symposium (SS01)
ICVR'07 Proceedings of the 2nd international conference on Virtual reality
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For decades, computer simulation professionals havetaken numerous routes to improve the performance oftheir simulation systems. These measures haveincluded, but are not limited to improved data andbehavior representations, advanced developmentarchitectures, and enhanced graphics technologies.Another remarkable concept used to improve theperformance and capabilities has been the use ofdistributed computing techniques, dubbed distributedsimulation. A new and potentially high impactingexpansion of distributing simulation involves tying thatmethodology with that of selective fidelity, a conceptthat allows a simulation system to modify its own levelof fidelity based on what aspects of the simulation areimportant or interesting to a user or observer. Usingmultiple simulation systems tied together by a run-timeinfrastructure (RTI), the software implementation ofthe High Level Architecture (HLA), a selective fidelityfederation can be implemented by changing ownershipof simulation objects between federates, depending onwhat aspects of the simulation are important. Thispaper describes the theoretical and implementationdetails involved with building such a system. Includedin this description are explanations of the concepts offidelity and selective fidelity, a summary of HLA andthe RTI, a detailed account of the architecturenecessary to implement such a scheme, and a sectionpredicting possible applications for such an idea.