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Fault-Tolerant Adaptive Routing in Dragonfly Networks

机译:蜻蜓网络中容错自适应路由

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Dragonfly networks have been widely used in the current high-performance computers or high-end servers. Fault-tolerant routing in dragonfly networks is essential. The rich interconnects provide good fault-tolerance ability for the network. A new deadlock-free adaptive fault-tolerant routing algorithm based on a new two-layer safety information model, is proposed by mapping routers in a group, and groups of the dragonfly network into two separate hypercubes. The new fault-tolerant routing algorithm tolerates static and dynamic faults. Our method can determine whether a packet can reach the destination at the source by using the new safety information model, which avoids dead-ends and aimless misrouting. Sufficient simulation results show that the proposed fault-tolerant routing algorithm even outperforms the previous minimal routing algorithm in fault-free networks in many cases.
机译:蜻蜓网络已广泛用于当前的高性能计算机或高端服务器。蜻蜓网络中的容错路由至关重要。丰富的互连为网络提供了良好的容错能力。通过将组中的路由器映射到两个单独的超电台,提出了一种基于新的双层安全信息模型的一种新的无锁定自适应容错路由算法,以及将蜻蜓网络的组分为两个单独的超机。新的容错路由算法可容忍静态和动态故障。我们的方法可以通过使用新的安全信息模型来确定数据包是否可以在源处到达目的地,这避免了死路和漫无目的的错误排序。足够的仿真结果表明,在许多情况下,所提出的容错路由算法甚至优于故障网络中先前的最小路由算法。

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