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1. 国家数字交换系统工程技术研究中心,河南 郑州 450002
2. 解放军信息工程大学网络空间安全学院,河南 郑州 450001
[ "胡涛(1993-),男,陕西武功人,国家数字交换系统工程技术研究中心硕士生,主要研究方向为宽带信息网、软件定义网络。" ]
[ "张建辉(1977-),男,河南平顶山人,国家数字交换系统工程技术研究中心副研究员,主要研究方向为宽带信息网、网络安全。" ]
[ "孔维功(1980-),男,河南封丘人,国家数字交换系统工程技术研究中心博士生,主要研究方向为宽带信息网。" ]
[ "杨森(1985-),男,辽宁盖州人,国家数字交换系统工程技术研究中心助理研究员,主要研究方向为通信与信息网络。" ]
[ "曹路佳(1983-),男,河北抚宁人,解放军信息工程大学助教,主要研究方向为网络安全。" ]
网络出版日期:2017-08,
纸质出版日期:2017-08-25
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胡涛, 张建辉, 孔维功, 等. SDN中基于过程忧化的交换机竞争迁移算法[J]. 通信学报, 2017,38(8):213-222.
Tao HU, Jian-hui ZHANG, Wei-gong KONG, et al. Switch competing migration algorithm based on process optimization in SDN[J]. Journal on communications, 2017, 38(8): 213-222.
胡涛, 张建辉, 孔维功, 等. SDN中基于过程忧化的交换机竞争迁移算法[J]. 通信学报, 2017,38(8):213-222. DOI: 10.11959/j.issn.1000-436x.2017135.
Tao HU, Jian-hui ZHANG, Wei-gong KONG, et al. Switch competing migration algorithm based on process optimization in SDN[J]. Journal on communications, 2017, 38(8): 213-222. DOI: 10.11959/j.issn.1000-436x.2017135.
针对分布式软件定义网络中交换机迁移对象选取僵化和迁移冲突问题,提出一种基于过程优化的交换机竞争迁移(SCM,switch competing migration)算法。将原有的交换机迁移方案优化为迁移对象选取和交换机动态部署2个过程。首先,综合权衡网络中时延、流量和故障代价,灵活地选取迁移对象;然后,根据设定的存活期、迁移期和控制器负载动态门限值,交换机以竞争迭代的方式动态部署到目标控制器。仿真结果表明,与现有的算法相比,迁移对象的选取更加合理,避免交换机迁移冲突,控制器负载均衡率平均提升了25.6%。
In the distributed software defined network,switch se1ects rigid migration object and has coordinating migration prob1ems.The prime switch migration scheme into two processes inc1uded se1ecting migration object and dep1oying switches dynamica11y was optimized,a switch competing migration a1gorithm was proposed based on process optimization.First1y,it synthesized de1ay,traffic and fai1ure cost,and se1ected migration object.Then,according to surviva1 time,migration time and dynamic 1oad thresho1d of contro11er,switches were migrated into object contro11er through iterative competition.Resu1ts show that compared with the existed migration a1gorithms the proposed a1gorithm se1ects more reasonab1e migration objects,avoiding migration conf1ict between switches,and contro11er 1oad ba1ancing rate has been promoted to 25.6% average1y.
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