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Traffic engineering under OSPF routes along the shortest paths, which may cause network congestion. Software Defined Networking (SDN) is an emerging network architecture which exerts a separation between the control plane and the data plane. The SDN controller can centrally control the network state through modifying the flow tables maintained by routers.(More)
Traffic engineering is a method to balance the flows and optimize the routing in the network. Software defined networking is a new network architecture and we can gain great benefit by migrating the traditional IP network to the SDN-enabled network from the perspective of traffic engineering. However, due to the economical, organizational and technical(More)
Traditional information entropy has been proved to be an effective metric on network traffic anomaly detection. However, such a metric shows some limitations in large scale networks with constantly changing flow numbers, and it makes the traditional entropy inefficient for traffic anomaly detection. To address this problem, we propose Adjustable Piecewise(More)
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