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    • 50. 发明授权
    • Optimized scalable network switch
    • 优化可扩展网络交换机
    • US07668970B2
    • 2010-02-23
    • US11868223
    • 2007-10-05
    • Matthias A. BlumrichDong ChenPaul W. Coteus
    • Matthias A. BlumrichDong ChenPaul W. Coteus
    • G06F15/173
    • H05K7/20836F24F11/77G06F9/52G06F9/526G06F15/17381G06F17/142G09G5/008H04L7/0338
    • In a massively parallel computing system having a plurality of nodes configured in m multi-dimensions, each node including a computing device, a method for routing packets towards their destination nodes is provided which includes generating at least one of a 2m plurality of compact bit vectors containing information derived from downstream nodes. A multilevel arbitration process in which downstream information stored in the compact vectors, such as link status information and fullness of downstream buffers, is used to determine a preferred direction and virtual channel for packet transmission. Preferred direction ranges are encoded and virtual channels are selected by examining the plurality of compact bit vectors. This dynamic routing method eliminates the necessity of routing tables, thus enhancing scalability of the switch.
    • 在具有以m多维配置的多个节点的大规模并行计算系统中,每个节点包括计算设备,提供了用于向分组朝向其目的地节点路由分组的方法,其包括生成2m个多个紧凑比特向量中的至少一个 包含从下游节点导出的信息。 存储在紧凑向量中的下行信息(诸如链路状态信息和下游缓冲器的丰满度)的多级仲裁过程被用于确定分组传输的优选方向和虚拟信道。 优选的方向范围被编码,并且通过检查多个紧凑比特向量来选择虚拟信道。 这种动态路由方法消除了路由表的必要性,从而增强了交换机的可扩展性。