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1. 国家数字交换系统工程技术研究中心 郑州 450002
2. 华北水利水电大学电力学院 郑州 450002
[ "王雨薇,女,国家数字交换系统工程技术研究中心硕士生,主要研究方向为新型网络体系结构。" ]
[ "兰巨龙,男,国家数字交换系统工程技术研究中心教授、博士生导师,主要从事新一代信息网络关键理论与技术的研究工作,目前作为首席科学家主持国家“973”计划项目“可重构信息通信基础网络体系研究”。" ]
[ "席孝强,男,国家数字交换系统工程技术研究中心硕士生,主要研究方向为新型网络体系结构。" ]
[ "范茜勉,女,华北水利水电大学硕士生,主要研究方向为电力系统稳定与安全运行。" ]
[ "江逸茗,男,国家数字交换系统工程技术研究中心讲师,主要研究方向为新型网络体系结构、可重构网络、网络虚拟化。" ]
网络出版日期:2015-11,
纸质出版日期:2015-11-20
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王雨薇, 兰巨龙, 席孝强, 等. 一种软件定义网络中基于蚁群算法的一致性路由策略[J]. 电信科学, 2015,31(11):7-14.
Yuwei Wang, Julong Lan, Xiaoqiang Xi, et al. An Consistent Routing Policy Based on Ant Algorithm in Software Defined Networking[J]. Telecommunications science, 2015, 31(11): 7-14.
王雨薇, 兰巨龙, 席孝强, 等. 一种软件定义网络中基于蚁群算法的一致性路由策略[J]. 电信科学, 2015,31(11):7-14. DOI: 10.11959/j.issn.1000-0801.2015206.
Yuwei Wang, Julong Lan, Xiaoqiang Xi, et al. An Consistent Routing Policy Based on Ant Algorithm in Software Defined Networking[J]. Telecommunications science, 2015, 31(11): 7-14. DOI: 10.11959/j.issn.1000-0801.2015206.
软件定义网络通过对交换机下发流表项实现数据平面的更新,但流表项的安装具有时延,可能导致部分数据分组被错误地处理或丢弃。对此,提出一种基于蚁群算法的一致性路由策略,在路由参数中加入不一致时延,并通过控制器对流表的下发顺序做出调整,避免了在数据分组传输过程中,交换机控制逻辑的不一致。实验结果表明,与最短路径算法相比,出现不一致问题时,该策略所选路径的实际时延小于最短路径算法的时延,数据分组丢失率、错误转发的概率明显降低。
Software defined networking updated data through distributing flow table to switches.But the installation of flow table had delay and may lead to wrong forwarding.An consistent routing policy based on ant algorithm was proposed.The inconsistent delay was introduced in routing parameter.The sequence of flow setup was adjusted through the controller
so as to avoid the inconsistency of the control logic in switches.Results show that
compared with Dijstra algorithm
when the inconsistency problem happens
the proposed policy has less actual delay and the packet lost rate and the wrong forwarding rate have been increasinglydecreased.
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