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中文摘要：
为了保证片上网络的可靠性,本文提出了一种新的容错机制。在片上网络中由于路由器故障将导致与其连接的IP核不能与其他核通信,使片上网络的可靠性降低。本文的方法通过选择最优相邻的路由器来替代故障路由器,从而达到恢复IP核通信的目的。通过为每个路由器配置一个状态寄存器,用来存储相邻路由器的安全度,在路由时采用新的可重构路由算法绕过故障的路由器,以提高片上网络的可靠性。在OPNET平台上对5×52D-Mesh结构的片上网络进行仿真实验,统计了数据传输延时。试验结果表明,本文提出的路由算法与对比文献的路由算法相比,在延迟方面有明显的优势。
英文摘要：
A new fault-tolerant mechanism is presented in order to ensure the reliability of NoC （network-on-chip）.Thus the reliability of NoC reduces than before.The proposal is capable of recovering from permanent router faults via replacing them by neighboring routers.Configure a status register for each router in order to store the safety of neighboring routers.Adopt a new reconfigurable fault-tolerant routing algorithm to bypass the fault routers so as to improve the reliability of NoC.Simulation results demonstrate the advantage of our routing algorithm in terms of latency compared to other fault tolerant routing algorithms.
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