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On High Availability Distributed Control Plane for Software-Defined Networks

机译:关于软件定义网络的高可用性分布式控制平面

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The architecture and organization of the high availability distributed control plane for SDN/OpenFlow networks are considered. High availability is achieved by redundancy of controller instances, active switch-controller communications, computing resources and tools for a controller instance failure and overloading detection and recovery. The proactive backup controller allocation algorithm which allows to minimize the time to repair in the case of a single controller instance failure is discussed. The algorithm for controllers' load-balancing allows dynamically reconfigure the control plane with a minimum number of switch control transfer operations to avoid controller instance overloading. The initial experimental results of the proposed algorithms for the HA distributed SDN control plane are described.
机译:考虑了用于SDN / OpenFlow网络的高可用性分布式控制平面的体系结构和组织。通过控制器实例的冗余,活动的开关控制器通信,用于控制器实例故障以及过载检测和恢复的计算资源和工具,可以实现高可用性。讨论了一种主动备份控制器分配算法,该算法可在单个控制器实例发生故障的情况下最大程度地缩短维修时间。控制器的负载平衡算法允许使用最少数量的开关控制传输操作动态重新配置控制平面,以避免控制器实例过载。描述了针对HA分布式SDN控制平面提出的算法的初步实验结果。

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