Improving the reliability of Byzantine fault‐tolerant distributed software‐defined networks,International Journal of Communication Systems

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Improving the reliability of Byzantine fault‐tolerant distributed software‐defined networks
International Journal of Communication Systems ( IF 1.7 ) Pub Date : 2020-02-28 , DOI: 10.1002/dac.4372
Shadi Moazzeni ₁ , Mohammad Reza Khayyambashi ₂ , Naser Movahhedinia ₂ , Franco Callegati ₃

Affiliation

This paper presents a method to improve the reliability and fault tolerance of distributed software‐defined networks. This method is called “BIRDSDN (Byzantine‐Resilient Improved Reliable Distributed Software‐Defined Networks).” In BIRDSDN, a group communication is implemented among the controllers of the whole clusters. This method can detect the crash failure and Byzantine failure of any controller and undertakes a fast detection and recovery scheme to select the controllers to take over the orphan switches. BIRDSDN takes into account the reliability of the nodes considering the failure probability of intracluster and intercluster links, topology, load, and latency. The numerical results show that this approach performs better than the other approaches regarding failure detection, recovery, latency, throughput, reliability, and packet loss.

中文翻译：

提高拜占庭容错分布式软件定义网络的可靠性

本文提出了一种提高分布式软件定义网络的可靠性和容错能力的方法。这种方法称为“ BIRDSDN（拜占庭式弹性改进的可靠分布式软件定义网络）。” 在BIRDSDN中，整个集群的控制器之间实现了组通信。该方法可以检测任何控制器的崩溃故障和拜占庭式故障，并采取快速检测和恢复方案来选择控制器来接管孤立开关。BIRDSDN考虑了群集内和群集间链接的失败概率，拓扑，负载和延迟，考虑了节点的可靠性。数值结果表明，该方法在故障检测，恢复，延迟，吞吐量，可靠性和数据包丢失方面比其他方法表现更好。

更新日期：2020-02-28

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