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軟件定義光網(wǎng)絡(luò)中一種時延約束的控制器生存性部署方法

曾帥,  蓋紹聰,  張毅,  趙國鋒,  左理政

曾帥, 蓋紹聰, 張毅, 趙國鋒, 左理政. 軟件定義光網(wǎng)絡(luò)中一種時延約束的控制器生存性部署方法[J]. 電子與信息學(xué)報, 2017, 39(7): 1727-1734. doi: 10.11999/JEIT160820
引用本文: 曾帥, 蓋紹聰, 張毅, 趙國鋒, 左理政. 軟件定義光網(wǎng)絡(luò)中一種時延約束的控制器生存性部署方法[J]. 電子與信息學(xué)報, 2017, 39(7): 1727-1734. doi: 10.11999/JEIT160820
ZENG Shuai, GAI Shaocong, ZHANG Yi, ZHAO Guofeng, ZUO Lizheng. Survivability Deployment Method for Controller with Time-delay Constraint in Software Defined Optical Network[J]. Journal of Electronics & Information Technology, 2017, 39(7): 1727-1734. doi: 10.11999/JEIT160820
Citation: ZENG Shuai, GAI Shaocong, ZHANG Yi, ZHAO Guofeng, ZUO Lizheng. Survivability Deployment Method for Controller with Time-delay Constraint in Software Defined Optical Network[J]. Journal of Electronics & Information Technology, 2017, 39(7): 1727-1734. doi: 10.11999/JEIT160820

軟件定義光網(wǎng)絡(luò)中一種時延約束的控制器生存性部署方法

doi: 10.11999/JEIT160820
基金項目: 

重慶市教委科學(xué)技術(shù)研究項目(KJ1500429)，重慶市科委基礎(chǔ)科學(xué)與前沿技術(shù)研究項目(cstc2017jcyjA0976, cstc2016jcyj A0560)，國家自然科學(xué)基金(6170011898, 61671092)

Survivability Deployment Method for Controller with Time-delay Constraint in Software Defined Optical Network

Funds: 

The Scientific and Technological Research Program of Chongqing Municipal Education Commission　(KJ1500429), The Scientific and Technological Research Program of Chongqing Science and Technology Commission (cstc2017 jcyjA0976, cstc2016jcyjA0560), The National Natural Science Foundation of China (6170011898, 61671092)

  • 摘要: 控制時延、控制平面的生存性和控制平面的控制冗余程度是軟件定義光網(wǎng)絡(luò)中網(wǎng)絡(luò)性能是否良好的重要判斷依據(jù)。該文提出時延約束下的控制器生存性部署方法，該方法充分考慮時延、生存性和控制器冗余等網(wǎng)絡(luò)性能因素，在用戶指定時延的前提下，確保每個網(wǎng)絡(luò)節(jié)點(diǎn)至少有兩條控制鏈路，以提高控制平面的生存性。同時，保證使用盡可能少的部署節(jié)點(diǎn)完成整個網(wǎng)絡(luò)的覆蓋，以減少控制平面的控制冗余。仿真表明，該方法能夠有效地減少控制時延，提高控制平面的生存性，并減少控制器的部署個數(shù)，降低控制冗余，有效地提高了軟件定義光網(wǎng)絡(luò)的整體網(wǎng)絡(luò)性能。該方法保證至少兩條控制鏈路與C-MPC算法起到了相同的保護(hù)作用，與MCC算法相比，使SDON網(wǎng)絡(luò)控制平面可靠性提高了20%。同時，在指定時延10 ms的約束條件下，在NSF和COST239網(wǎng)絡(luò)中，與C-MPC算法相比所提算法分別減少了88%和75%的控制器部署。
    Abstract: Control delay, survivability of control plane and control redundancy of control plane are important criteria to judge whether the network performance is good in Software Defined Optical Network (SDON). A method that the survivability deployment for controller with time-delay constraint is put forward. This method takes full account of the network performance factors, such as time delay, survivability and controller redundancy. In the premise of a user specified delay, in order to improve the control plane survivability, it is insured that each network node has at least two control links. At the same time, the node deployments are kept to the minimum when complete of the entire network coverage, to reduce the redundancy of control plane. Simulation results show that the method can effectively reduce the control delay, improve the existence of control plane, and reduce the number of controller, decline the control redundancy, effectively improve the overall network performance of software defined optical network. The method ensures at least two control links have the same protection as C-MPC algorithm. Compared with the MCC algorithm, the reliability of SDON control plane is improved by 20%. Meanwhile, under the constraint conditions of 10 ms time delay, compared with C-MPC algorithm, the proposed algorithm can reduce the number of controller deployment by 88% and 75% in NSF and COST239 network.
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出版歷程
  • 收稿日期:  2016-08-03
  • 修回日期:  2017-04-27
  • 刊出日期:  2017-07-19

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