Design of Scalable Control Plane via Multiple Controllers

Chen, Wenbo; Tian, Xining; Shang, Zhihao

doi:10.1007/978-981-10-0539-8_44

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2020

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“…Chen et al propose an extensive SDN controller layer 17 and put forward a multicontroller framework using Zookeeper. 18 Each controller transfers the topology information of its network to the Zookeeper, and every OpenFlow switch has multicontrollers, but only one of them is master.…”

Section: Related Workmentioning

confidence: 99%

Improving the reliability of Byzantine fault‐tolerant distributed software‐defined networks

Moazzeni¹,

Khayyambashi

Movahhedinia

et al. 2020

Int J Communication

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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. K E Y W O R D S

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Section: Related Workmentioning

confidence: 99%