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基于负载通告的SDN多控制器负载均衡机制

王颖 余金科 裴科科 邱雪松

王颖, 余金科, 裴科科, 邱雪松. 基于负载通告的SDN多控制器负载均衡机制[J]. 电子与信息学报, 2017, 39(11): 2733-2740. doi: 10.11999/JEIT161054
引用本文: 王颖, 余金科, 裴科科, 邱雪松. 基于负载通告的SDN多控制器负载均衡机制[J]. 电子与信息学报, 2017, 39(11): 2733-2740. doi: 10.11999/JEIT161054
WANG Ying, YU Jinke, PEI Keke, QIU Xuesong. A Load Informing Based Load Balancing Mechanism for Multiple Controllers in SDN[J]. Journal of Electronics and Information Technology, 2017, 39(11): 2733-2740. doi: 10.11999/JEIT161054
Citation: WANG Ying, YU Jinke, PEI Keke, QIU Xuesong. A Load Informing Based Load Balancing Mechanism for Multiple Controllers in SDN[J]. Journal of Electronics and Information Technology, 2017, 39(11): 2733-2740. doi: 10.11999/JEIT161054

基于负载通告的SDN多控制器负载均衡机制

doi: 10.11999/JEIT161054
基金项目: 

国家自然科学基金(61501044),国家863计划项目(2013AA013502)

A Load Informing Based Load Balancing Mechanism for Multiple Controllers in SDN

Funds: 

The National Natural Science Foundation of China (61501044), The National Program 863 of China (2013AA013502)

  • 摘要: 多控制器负载均衡是SDN网络部署研究中关注的问题之一。该文针对多控制器间负载均衡的时间效率问题,提出一种基于负载通告策略的负载均衡机制(LILB)。该机制包括负载测量、负载通告、均衡决策和交换机迁移4个核心功能组件。借助于负载通告的能力,每个控制器可以在过载后无需收集其他控制器的负载信息而尽快完成均衡决策。为了减少负载通告带来的通信负荷和处理负荷,该文提出一个抑制算法来降低负载通告的频率。此外,该文还提出了最重过载控制器、迁移交换机和目标控制器的决策方法,以及目标控制器接受迁移请求的判定策略来避免控制器的负载震荡;并为支持交换机迁移过程中控制器角色的平滑切换设计了一种交换机迁移的消息交互机制。最后,在基于Floodlight和Mininet的实验环境中验证了所提出方法的有效性。
  • 张朝昆, 崔勇, 唐翯翯, 等. 软件定义网络(SDN)研究进展[J]. 软件学报, 2015, 26(1): 62-81. doi: 10.13328/j.cnki.jos.004701.
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    DIXIT A A, HAO F, MUKHERJEE S, et al. Towards an elastic distributed SDN controller[C]. ACM Sigcomm Computer Communication Review, Hong Kong, 2013: 7-12.
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    YAO Guang, BI Jun, and LI Yuliang, et al. On the capacitated controller placement problem in software defined networks[J]. IEEE Communications Letters, 2014, 18(8): 1339-1342. doi: 10.1109/LCOMM.2014.2332341.
    Open Networking Foundation. OpenFlow Switch Specification Version 1.3.3(Protocol version Ox04)[OL]. https://www.opennetworking.org/, 2013.7.
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出版历程
  • 收稿日期:  2016-10-12
  • 修回日期:  2017-08-21
  • 刊出日期:  2017-11-19

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