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An Effective Analytical Model for Deflection Routing in Hierarchical Ring Interconnection Networks

机译:分层环形互连网络中挠度路由的有效分析模型

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Deflection routing as a method for resolving output path selection conflicts in the crossover switches between levels in hierarchical ring networks is studied. These networks can be used to transfer cache line packets in a shared-memory multiprocessor. An approximate analytical model for 2- and 3-level hierarchies is developed for the determination of packet delay as a function of network configuration and offered traffic load. The model is shown to be very accurate for low to medium loads, with discrepancies from simulation results rising to about 14% for the 2-level hierarchy and to about 26% for the 3-level hierarchy, at high load when significant deflection traffic occurs.
机译:研究了偏转路由作为解决分层环网中各个级别之间的交叉交换机中输出路径选择冲突的一种方法。这些网络可用于在共享内存多处理器中传输高速缓存行数据包。开发了用于2级和3级层次结构的近似分析模型,用于确定作为网络配置和所提供流量负载的函数的数据包延迟。该模型显示出对于中低负载非常准确,模拟结果的差异在高负载下(发生明显的偏转流量时),在2级层次结构中上升到大约14%,在3级层次结构中上升到大约26%。 。

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