SDN-based ECMP algorithm for data center networks

机译：用于数据中心网络的基于SDN的ECMP算法

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摘要

With the limitation of port densities in the highest-end commercial switches, topologies of data center network often take the form of a multi-rooted tree with higher-speed links. In order to achieve multipath transmission, data center uses Equal Cost Multipath (ECMP) algorithm to forward flows. ECMP algorithm is lack of dynamic scheduling mechanism. In this paper, we completed a full implementation of three scheduling algorithm in the data center network of SDN architecture. One is based on OSPF algorithm. The second is based on ECMP algorithm. In the third algorithm, we optimized the ECMP algorithm through OpenFlow protocol and made it possible to dynamically adjust the flow forwarding link according to the bandwidth utilization of core links. The evaluation results demonstrate that the third scheduling algorithm can improve performance of throughput in data center networks.

机译：由于高端商用交换机中端口密度的限制，数据中心网络的拓扑通常采用具有更高速度链接的多根树的形式。为了实现多路径传输，数据中心使用等价多路径（ECMP）算法转发流。 ECMP算法缺乏动态调度机制。在本文中，我们完成了三种调度算法在SDN体系结构的数据中心网络中的完整实现。一种基于OSPF算法。第二种基于ECMP算法。在第三种算法中，我们通过OpenFlow协议优化了ECMP算法，从而可以根据核心链路的带宽利用率动态调整流转发链路。评估结果表明，第三种调度算法可以提高数据中心网络的吞吐量性能。

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来源
《2014 IEEE Computing, Communications and IT Applications Conference》|2014年|13-18|共6页
会议地点 Beijing(CN)
作者
Hailong Zhang; Xiao Guo; Jinyao Yan; Bo Liu; Qianjun Shuai;
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作者单位

Sch. of Inf. Eng., Commun. Univ. of China, Beijing, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
computer centres; computer networks; routing protocols; telecommunication network topology; telecommunication scheduling; OSPF algorithm; OpenFlow protocol; SDN-based ECMP algorithm; bandwidth utilization; core links; data center network topology; dynamic scheduling mechanism; equal cost multipath algorithm; flow forwarding link; higher-speed links; highest-end commercial switches; multipath transmission; multirooted tree; data center; ecmp; sdn; traffic engineering;

机译：计算机中心;计算机网络;路由协议;电信网络拓扑;电信调度; OSPF算法; OpenFlow协议;基于SDN的ECMP算法;带宽利用率;核心链路;数据中心网络拓扑;动态调度机制;等价多路径算法;流转发链路;高速链路;最高端的商用交换机;多径传输;多根树;数据中心; ecmp; sdn;交通工程;;

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4. SDN-based ECMP algorithm for data center networks [C] . Hailong Zhang, Xiao Guo, Jinyao Yan, IEEE Computing, Communications and IT Applications Conference . 2014

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SDN-based ECMP algorithm for data center networks

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