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SDN based load balancing mechanism for elephant flow in data center networks

机译：基于SDN的数据中心网络中大象流的负载均衡机制

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摘要

With various cloud services emerging in data center networks, network congestion and load imbalance are seriously caused by elephant flows. To resolve this problem, a load balancing mechanism based on software defined networking (SDN) for elephant flows is proposed. The mechanism obtains the topology and status of the entire network via global view of SDN. Then it splits and sends elephant flows through multiple paths based on the ratios which are dynamically computed by taking account of the states of links. Finally, the system prototype is implemented in OpenFlow testbed. The results show the proposed mechanism can significantly enhance the performance of the network by improving the network throughput and link utilization.
机译：随着数据中心网络中涌现出各种云服务，网络拥塞和负载失衡是由信号流严重引起的。为了解决这个问题，提出了一种基于软件定义网络（SDN）的大象流负载均衡机制。该机制通过SDN的全局视图获得整个网络的拓扑和状态。然后，它会根据考虑到链接状态动态计算的比率，通过多个路径拆分并发送大象流。最后，系统原型在OpenFlow测试平台中实现。结果表明，所提出的机制可以通过提高网络吞吐量和链路利用率来显着提高网络性能。

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