Automated controller placement for software-defined networks to resist ddos attacks

Abstract

In software-defined networks (SDNs), controller placement is a critical factor in the design and planning for the future Internet of Things (IoT), telecommunication, and satellite communication systems. Existing research has concentrated largely on factors such as reliability, latency, controller capacity, propagation delay, and energy consumption. However, SDNs are vulnerable to distributed denial of service (DDoS) attacks that interfere with legitimate use of the network. The ever-increasing frequency of DDoS attacks hasmade it necessary to consider them in network design, especially in critical applications such as military, health care, and financial services networks requiring high avai..