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In this paper, we propose two simple and practically feasible countermeasures to address the Route Spoofing and Resource Exhaustion attacks in Software Defined Networking (SDN) scenarios. For Route Spoofing attack, we introduce a new technique called “selective blocking” which blocks an adversary node to use a genuine user's active routes, and for Resource Exhaustion attack, we propose a “periodic...
Software Defined Network (SDN) is an emerging networking paradigm that has gained enormous attention from the industries as well as the research community. SDN decouples data plane and control plane. The direct programmability of the control plane allows us to develop routing algorithms, which can accommodate versatile requirements of diverse network applications. On another side, Quality-of-Service...
Sharing network resources with user groups, divisions, or even other companies in software defined networking promises better network utilization. Resource sharing is effectively realized by empowering these tenants at the control plane with permissions for administrating network components. However, since the network resources at the data plane are shared and different tenants can have competing...
Gathering network flow statistics is nowadays considered to be an essential part of network monitoring activities. OpenFlow based networks although built around the concept of network flows do not natively support exporting flow statistics. This paper investigates the potential for efficient traffic flow monitoring in the OpenFlow networks and relevant monitoring information export over the well-known...
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