Load Sensitive Forwarding for Software Defined Networking – Openflow Based

Nor Masri Sahri, Koji Okamura


Avoiding congestion is important role in recently proposed software defined network (SDN) since various new kind of overhead and delay introduced compared to traditional network. In this paper, we propose a load sensitive forwarding metric for the Openflow controller to make decision for path selection. Our metric assign weight based on the network traffic link load that put into account. This metric helps the forwarding protocol to load balance the network and improve the network capacity by avoiding the congested nodes to forward the traffic. Extensive performance results based on our simulation are presented to demonstrate the effectiveness of our proposed metric, with comparison to the SDN state of the art forwarding decision.


Software Defined Networking; path selection; openflow

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