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軟件定義網(wǎng)絡(luò)中基于負載均衡的多控制器部署算法

史久根 邾偉 賈坤滎 徐穎

史久根, 邾偉, 賈坤滎, 徐穎. 軟件定義網(wǎng)絡(luò)中基于負載均衡的多控制器部署算法[J]. 電子與信息學報, 2018, 40(2): 455-461. doi: 10.11999/JEIT170464
引用本文: 史久根, 邾偉, 賈坤滎, 徐穎. 軟件定義網(wǎng)絡(luò)中基于負載均衡的多控制器部署算法[J]. 電子與信息學報, 2018, 40(2): 455-461. doi: 10.11999/JEIT170464
SHI Jiugen, ZHU Wei, JIA Kunying, XU Ying. Multi-controller Deployment Algorithm Based on Load Balance in Software Defined Network[J]. Journal of Electronics & Information Technology, 2018, 40(2): 455-461. doi: 10.11999/JEIT170464
Citation: SHI Jiugen, ZHU Wei, JIA Kunying, XU Ying. Multi-controller Deployment Algorithm Based on Load Balance in Software Defined Network[J]. Journal of Electronics & Information Technology, 2018, 40(2): 455-461. doi: 10.11999/JEIT170464

軟件定義網(wǎng)絡(luò)中基于負載均衡的多控制器部署算法

doi: 10.11999/JEIT170464
基金項目: 

國家重大科學儀器設(shè)備開發(fā)專項(2013YQ030595)

Multi-controller Deployment Algorithm Based on Load Balance in Software Defined Network

Funds: 

The National Major Scientific Instruments Development Project (2013YQ030595)

  • 摘要: 隨著軟件定義網(wǎng)絡(luò)規(guī)模擴大,控制層與數(shù)據(jù)層解耦帶來了諸如控制器部署等新問題。該文提出基于負載均衡的多控制器部署算法(Multi-Controller Deployment Algorithm Based on Load Balance, MCDALB)。算法首先根據(jù)網(wǎng)絡(luò)拓撲結(jié)構(gòu)及其負載情況,確定控制器數(shù)量K;然后根據(jù)控制器容量限制,提出一種近似比為2的多控制器負載均衡算法,將網(wǎng)絡(luò)劃分成K個控制區(qū)域;最后根據(jù)區(qū)域內(nèi)所有交換機到控制器距離總和最小原則,在控制區(qū)域部署控制器。為了驗證算法的性能,選取實際網(wǎng)絡(luò)拓撲進行實驗。實驗結(jié)果表明,與AL, WL算法相比,該算法在滿足控制器負載近似比為2的同時,網(wǎng)絡(luò)最大延時差距不超過0.65 ms。
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出版歷程
  • 收稿日期:  2017-05-16
  • 修回日期:  2017-07-17
  • 刊出日期:  2018-02-19

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