Abstract
AbstractOver the last four years there has been significant growth in the interest that researchers and IT industry have shown in a new network architecture approach called Software-Defined Networking (SDN). This new approach is based on the separation between the control plane (routing decisions) and the data plane (packet forwarding). Communication between these two planes is mainly established today by the OpenFlow protocol. The interest of SDN is that it allows network programmability through applications acting on the control plane and hence it facilitates the development of new network protocols and services. However, there are some problems of performance and scalability when a single centralized controller is deployed in an SDN architecture. In this paper, we briefly introduce SDN, OpenFlow and review performance studies. After, we study through some experiments the performance issues of the Ruy OpenFlow controller especially in a large-scale network case.KeywordsSoftware-defined networkingOpenFlowPerformancesScalability
Published Version
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