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MTSS: Multi-path traffic scheduling mechanism based on SDN

机译:MTSS:基于SDN的多路径流量调度机制

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摘要

Large-scale and diverse businesses based on the cloud computing platform bring the heavy network traffic to cloud data centers. However, the unbalanced workload of cloud data center network easily leads to the network congestion, the low resource utilization rate, the long delay, the low reliability, and the low throughput. In order to improve the utilization efficiency and the quality of services (QoS) of cloud system, especially to solve the problem of network congestion, we propose MTSS, a multi-path traffic scheduling mechanism based on software defined networking (SDN). MTSS utilizes the data flow scheduling flexibility of SDN and the multi-path feature of the fat-tree structure to improve the traffic balance of the cloud data center network. A heuristic traffic balancing algorithm is presented for MTSS, which periodically monitors the network link and dynamically adjusts the traffic on the heavy link to achieve programmable data forwarding and load balancing. The experimental results show that MTSS outperforms equal-cost multi-path protocol (ECMP), by effectively reducing the packet loss rate and delay. In addition, MTSS improves the utilization efficiency, the reliability and the throughput rate of the cloud data center network.
机译:基于云计算平台的大规模且多样化的业务将大量的网络流量带到了云数据中心。但是,云数据中心网络的工作负载不平衡容易导致网络拥塞,资源利用率低,时延长,可靠性低,吞吐量低。为了提高云系统的利用率和服务质量(QoS),特别是解决网络拥塞问题,提出了基于软件定义网络(SDN)的多路径流量调度机制MTSS。 MTSS利用SDN的数据流调度灵活性和胖树结构的多路径功能来改善云数据中心网络的流量平衡。提出了一种针对MTSS的启发式流量均衡算法,该算法定期监视网络链路并动态调整重链路上的流量,以实现可编程的数据转发和负载均衡。实验结果表明,MTSS通过有效降低丢包率和时延,优于等价多路径协议(ECMP)。另外,MTSS提高了云数据中心网络的利用率,可靠性和吞吐率。

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