Data Collection in an High Level Architecture Federation
SCIENCE APPLICATIONS INC ALBUQUERQUE NM
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The Joint Advanced Distributed Simulation JADS Joint Test Force JTF is chartered by the Office of the Secretary of Defense to investigate the utility, of advanced distributed simulation ADS technology, including the high level architecture HLA, for test and evaluation TE. JADS is executing three formal test programs, including the Electronic Warfare EW Test, representing slices of the overall TE spectrum to form its conclusions. The EW test is using HLA and Runtime Infrastructure RTI version 1.3 to support two electronic warfare test events using a distributed cross-country network linking an instrumented EW system, constructive models, and virtual simulations. A method of recording data traffic among federates was required so that accurate latency measurements through the RTI for the JADS federation could be determined JADS considered three possibilities for a logger - a logger federate, logger capabilities incorporated directly into the federate software, and an interface logger. This paper discusses the differences among the types of loggers, the reasons JADS chose to implement the interface logger, and the implementation of the interface logger.
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