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首页> 外文期刊>Journal of Parallel and Distributed Computing >A decoupled federate architecture for high level architecture-based distributed simulation
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A decoupled federate architecture for high level architecture-based distributed simulation

机译：解耦联邦架构，用于基于高级架构的分布式仿真

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摘要

A number of research issues arise in executing large scale High Level Architecture (HLA) based distributed simulations. Among these issues distributed simulation cloning, fault tolerance and Grid enabled architecture are particularly important and challenging. This paper presents a Decoupled Federate Architecture as the underlying infrastructure to facilitate a solution to each of the above issues.rnDistributed simulation cloning has been designed to improve the performance of "what-if" analysis, by enabling the examination of alternative scenarios concurrently within the same execution session. Furthermore, simulation federates running at different locations are liable to failure. Such risk increases with the scale of a distributed simulation. The architecture has also been exploited to form the basis of a generic framework to support runtime robustness. The development of complex simulation applications often requires geographically distributed huge computing resources and data sets. Using the architecture, Web and Grid technologies have been successfully combined with existing simulation technologies thus to enhance interoperability and execution flexibility for such simulations.rnBenchmark experiments have been performed to study the extra overhead incurred by the Decoupled Federate Architecture against a normal federate. Encouraging experimental results indicate that a well designed architecture can achieve performance close to the normal one in terms of latency and time synchronization. Additional experiments have been presented for evaluating the three solutions supported by the architecture.
机译：在执行基于大规模高级别体系结构（HLA）的分布式仿真时会出现许多研究问题。在这些问题中，分布式仿真克隆，容错和支持Grid的体系结构特别重要且具有挑战性。本文提出了一种分离的联邦架构作为基础架构，以促进上述每个问题的解决。分布式仿真克隆旨在通过允许同时检查替代方案来提高“假设分析”的性能。相同的执行会话。此外，在不同位置运行的模拟联合会容易失败。这种风险随着分布式仿真的规模而增加。该体系结构也已被用来形成支持运行时鲁棒性的通用框架的基础。复杂仿真应用程序的开发通常需要在地理上分布巨大的计算资源和数据集。使用该体系结构，Web和Grid技术已经成功地与现有的仿真技术相结合，从而增强了此类仿真的互操作性和执行灵活性。基准测试已经进行了研究，以研究去耦联邦体系结构与正常联邦所产生的额外开销。令人鼓舞的实验结果表明，就延迟和时间同步而言，精心设计的体系结构可实现接近于正常体系结构的性能。已经提出了其他实验来评估该体系结构支持的三种解决方案。

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