Fault-Tolerant Adaptive Routing in Dragonfly Networks

Fault-Tolerant Adaptive Routing in Dragonfly Networks
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Dragonfly 网络中的容错自适应路由

DOI:
10.1109/tdsc.2017.2693372
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发表时间:
2019-03
期刊:
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING, VOL. 16, NO. 2, MARCH/APRIL 2019
影响因子:
--
通讯作者:
Yi Fu
Yi Fu
中科院分区:
其他
文献类型:
--
作者:
Dong Xiang;Bing Li;Yi Fu

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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 deadlockfree.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.
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