光通信研究Issue(3)：5-8,20,5.DOI:10.13756/j.gtxyj.2018.03.002
SDN架构下数据流量调度算法的设计
Design of Data Flow Scheduling Algorithm Under SDN Architecture
摘要
Abstract
Recently,cloud technology is widely used in Data Center Network (DCN).In order to ensure Quality of Service (QoS)in DCN,Equal Cost Multipath Routing (ECMP)algorithms and Dynamic Load Balancing (DLB)algorithms are em-ployed as solutions.However,these algorithms only obtain local optimization results.In particular,the transmission delay and bandwidth utilization are not satisfactory when these algorithms are applied in the DCN overloaded environment.Considering the limitations of these algorithms,this paper proposes a load balancing scheduling mechanism for fat tree network data traffic under Software Defined Network (SDN)architecture from the perspective of global optimization.The mechanism evaluates the SDN node and link load by monitoring the global real-time parameters through the Ryu controller,and selecting the optimal forwarding path which meets the demand of traffic load.Experiments show that the scheduling mechanism proposed in this pa-per has significantly improved the performance of DCN services compared with the ECMP/DLB algorithm.关键词
软件定义网络/数据中心网络/评估/均衡/仿真Key words
SDN/DCN/evaluation/balance/simulation分类
信息技术与安全科学引用本文复制引用
许文庆,余庚..SDN架构下数据流量调度算法的设计[J].光通信研究,2018,(3):5-8,20,5.基金项目
福建省教育厅中青年教师教育科研项目资助(JAT170802,JAT160623) （JAT170802,JAT160623）
