Abstract
Software Defined Networking (SDN) offers a novel approach to network management, with the potential to simplify administration and enhance security. However, as with any emerging technology, it comes with vulnerabilities that may impact its availability and functionality. A prevalent attack on SDN controllers is Distributed Denial of Service (DDoS), which, while not entirely preventable, can have its effects mitigated. This study explores the factors influencing the performance of industry solutions in defending SDN against DDoS attacks and evaluates their efficiency. It investigates various security challenges associated with DDoS attacks in both Information Technology (IT) and Operational Technology (OT) environments and contrasts the effects of distinct DDoS attack types on multiple levels of SDN communication, such as Northbound-Southbound and East-West. Lastly, the applicable solution’s effectiveness was assessed based on the controller’s hardware utilization and response time.
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