TY - JOUR A2 - Tan, Liansheng AU - Aly, Wael Hosny Fouad PY - 2019 DA - 2019/12/01 TI - Generic Controller Adaptive Load Balancing (GCALB) for SDN Networks SP - 6808693 VL - 2019 AB -容错是网络弹性的重要方面。需要容错机制来确保不同环境中的高可用性和高可靠性。软件定义网络(SDN)的出现提出了新的挑战，并开启了一个开发新策略、标准和架构来支持容错的新时代。本文研究了两种架构的容错问题:(1)单主多从控制器;(2)多从控制器。该模型称为sdn的通用控制器自适应负载均衡(GCALB)模型。GCALB基于GCALB算法来适应从控制器之间的负载。实验阶段使用Mininet仿真工具。控制器使用泛光灯实现。以主控制器负责在4、5个从控制器之间分配开关为例，采用GCALB进行了实验。吞吐量和响应时间指标用于度量性能。 GCALB is compared with two reference algorithms: (1) HyperFlow (Kreutz et al., 2012), and (2) Enhanced Controller Fault Tolerant (ECFT) (Aly and Al-anazi, 2018). Results are promising as the performance of GCALB increased by 15% and 12% when compared to HyperFlow and by 13% and 10% when compared to ECFT in terms of throughput and response time. SN - 2090-7141 UR - https://doi.org/10.1155/2019/6808693 DO - 10.1155/2019/6808693 JF - Journal of Computer Networks and Communications PB - Hindawi KW - ER -