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Offloading Data Distribution Management to Network Processors in HLA-Based Distributed Simulations

机译:在基于HLA的分布式仿真中将数据分发管理卸载到网络处理器

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摘要

The High Level Architecture (HLA) standard developed by the Department of Defense in the United States is a keytechnology to perform distributed simulation. Inside the HLA framework many different simulators (termed federates) may beinterconnected to create a single, more complex simulator (federation). Data Distribution Management (DDM) is an optionalsubset of services that controls which federates should receive notification of state modifications made by other federates. Asimple DDM implementation will usually generate much more traffic than needed, while a complex one might introduce toomuch overhead. In this work we describe an approach to DDM that delegates a portion of the DDM computation to a processoron the network card, in order to provide more CPU time for other federate and RTI computations, while still being able to exploitthe benefits of a complex DDM implementation to reduce the amount of information exchange.
机译:美国国防部开发的高级体系结构(HLA)标准是执行分布式仿真的关键技术。在HLA框架内,可以将许多不同的模拟器(称为联邦)互连在一起,以创建单个更复杂的模拟器(联邦)。数据分发管理(DDM)是服务的可选子集,用于控制哪些联盟应接收其他联盟所做的状态更改通知。简单的DDM实施通常会产生比所需更多的流量,而复杂的DDM可能会带来过多的开销。在这项工作中,我们描述了一种DDM方法,该方法将DDM计算的一部分委派给网卡上的处理器,以便为其他联邦和RTI计算提供更多的CPU时间,同时仍然能够利用复杂DDM实现的好处减少信息交换量。

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