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国家数字交换系统工程技术研究中心,河南 郑州 450002
[ "李军飞(1989-),男,河南安阳人,国家数字交换系统工程技术研究中心博士生,主要研究方向为集中式网络管控下的主动防护技术。" ]
[ "兰巨龙(1962-),男,河北张北人,博士,国家数字交换系统工程技术研究中心总工程师、教授、博士生导师,主要研究方向为新一代信息网络关键理论与技术。" ]
[ "胡宇翔(1982-),男,河南周口人,博士,国家数字交换系统工程技术研究中心讲师,主要研究方向为新一代信息网络关键理论与技术。" ]
[ "邬江兴(1953-),男,浙江嘉兴人,国家数字交换系统工程技术研究中心教授、博士生导师,主要研究方向为网络通信和网络安全。" ]
网络出版日期:2016-06,
纸质出版日期:2016-06-25
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李军飞, 兰巨龙, 胡宇翔, 等. SDN多控制器一致性的量化研究[J]. 通信学报, 2016,37(6):86-93.
Jun-fei LI, Ju-long LAN, Yu-xiang HU, et al. Quantitative approach of multi-controller’s consensus in SDN[J]. Journal on communications, 2016, 37(6): 86-93.
李军飞, 兰巨龙, 胡宇翔, 等. SDN多控制器一致性的量化研究[J]. 通信学报, 2016,37(6):86-93. DOI: 10.11959/j.issn.1000-436x.2016119.
Jun-fei LI, Ju-long LAN, Yu-xiang HU, et al. Quantitative approach of multi-controller’s consensus in SDN[J]. Journal on communications, 2016, 37(6): 86-93. DOI: 10.11959/j.issn.1000-436x.2016119.
针对SDN网络中多控制器的一致性问题,提出了一种量化的研究方法,为控制层的东西向扩展提供更为精准有效的共享网络视图方法。首先,结合SDN的特性,给出了控制器之间一致性、性能以及可用性的度量指标,建立通用的量化分析模型。其次,针对其中3类典型的一致性问题进行了量化研究,明确了其取得最优值的条件,为一致性参数的配置提供了参考。最后,通过仿真实验对该量化方法进行验证。实验结果表明,该量化方法能够有效提高SDN控制层的性能和可用性。
For the problem of multi-controller’s consensus in SDN
a quantitative approach was proposed
which provided a more accurate and effective method of sharing network view for the control layer's east-west extension.Firstly
the metrics of consensus
performance and availability between the controllers with the feature of SDN was provided
establishing the common model for quantitative research.Secondly
for the three typical questions in the research of multi-controller’s consensus
the condition to achieve its optimal value was explicated
which provided a reference for the configuration of consensus.Finally
to verify the validity of the quantitative approach by simulation
experimental results show that this approach can improve the performance and availability of the control layer in SDN effectively.
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