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軟件定義光網(wǎng)絡(luò)中基于最小點(diǎn)覆蓋的控制平面跨層生存性設(shè)計(jì)

熊余 董先存 李圓圓 呂翊 王汝言

熊余, 董先存, 李圓圓, 呂翊, 王汝言. 軟件定義光網(wǎng)絡(luò)中基于最小點(diǎn)覆蓋的控制平面跨層生存性設(shè)計(jì)[J]. 電子與信息學(xué)報(bào), 2016, 38(5): 1211-1218. doi: 10.11999/JEIT150815
引用本文: 熊余, 董先存, 李圓圓, 呂翊, 王汝言. 軟件定義光網(wǎng)絡(luò)中基于最小點(diǎn)覆蓋的控制平面跨層生存性設(shè)計(jì)[J]. 電子與信息學(xué)報(bào), 2016, 38(5): 1211-1218. doi: 10.11999/JEIT150815
XIONG Yu, DONG Xiancun, LI Yuanyuan, Lü Yi, WANG Ruyan. The Cross-layer Survivable Design of Control Plane Based on Minimum Point Covering in Software Defined Optical Network[J]. Journal of Electronics & Information Technology, 2016, 38(5): 1211-1218. doi: 10.11999/JEIT150815
Citation: XIONG Yu, DONG Xiancun, LI Yuanyuan, Lü Yi, WANG Ruyan. The Cross-layer Survivable Design of Control Plane Based on Minimum Point Covering in Software Defined Optical Network[J]. Journal of Electronics & Information Technology, 2016, 38(5): 1211-1218. doi: 10.11999/JEIT150815

軟件定義光網(wǎng)絡(luò)中基于最小點(diǎn)覆蓋的控制平面跨層生存性設(shè)計(jì)

doi: 10.11999/JEIT150815
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61401052),重慶市教委科學(xué)技術(shù)研究項(xiàng)目(KJ1400418, KJ1500445),重慶郵電大學(xué)博士啟動(dòng)基金(A2015-09)

The Cross-layer Survivable Design of Control Plane Based on Minimum Point Covering in Software Defined Optical Network

Funds: 

The National Natural Science Foundation of China (61401052), The Science and Technology Project of Chongqing Municipal Education Commission (KJ1400418, KJ1500445), The Ph. D. Start-up Fund of Chongqing University of Posts and Telecommunications (A2015-09)

  • 摘要: 為降低軟件定義光網(wǎng)絡(luò)對(duì)單控制器的依賴,并避免多控制器沖突,有效提升控制平面的生存性,該文提出基于最小點(diǎn)覆蓋的控制平面生存性設(shè)計(jì)策略。該策略結(jié)合集中控制約束條件,以最小點(diǎn)覆蓋理論為基礎(chǔ),建立可靠的分級(jí)管控模型,設(shè)定控制器的管控優(yōu)先級(jí):全局控制器具有最高管控優(yōu)先級(jí),對(duì)全網(wǎng)進(jìn)行集中管控;本地控制器次之,只對(duì)本地業(yè)務(wù)進(jìn)行集中管控;權(quán)威交換機(jī)的管控優(yōu)先級(jí)最低,用于完成局部波長(zhǎng)粒度的光層快速管控。在此基礎(chǔ)上,基于跨層信息模型為控制信道路由和資源分配進(jìn)行生存性冗余設(shè)計(jì)。仿真表明,該策略能夠滿足網(wǎng)絡(luò)對(duì)控制時(shí)延的要求,使控制平面的故障概率降低了30%,有效提升了網(wǎng)絡(luò)在惡劣環(huán)境下的生存性。
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出版歷程
  • 收稿日期:  2015-07-08
  • 修回日期:  2015-12-25
  • 刊出日期:  2016-05-19

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