首页> 美国政府科技报告 >Impact of Communication Delays and Deadline Times on Distributed Processing inPacket Radio Networks. (Reannouncement with New Availability Information)
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Impact of Communication Delays and Deadline Times on Distributed Processing inPacket Radio Networks. (Reannouncement with New Availability Information)

机译:通信延迟和截止时间对分组无线电网络分布式处理的影响。 (重新公布新的可用性信息)

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This paper describes a simulation model to aid in the evaluation of time-criticaldistributed processing scenarios utilizing a multi-hop packet radio network. The simulation model includes a user defined network, spread spectrum random access protocols, end-to-end transport functions and an error model that includes the effects of interference from concurrent transmissions as well as that of an on-off partial band jammer. We have devised an abstract description of a typical distributed processing scenario with hierarchical primary and subtask structures in which a distributed task is described by a 'script'. In this representation, a distributed task consists of a primary task and a hierarchy of one or more subtasks. Numerical results were obtained through simulation representing a wide variety of task scenarios. Processing scenarios include assignment of task deadlines, levels of task-subtask hierarchy, and redundant processing on multiple hosts.... Distributed processing, Packet radio networks, Spread spectrum random access protocols, Partial band jamming, Simulation, Task structures, Task deadlines, Redundant processing.

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