A Real-time Method to Detect Compromised Devices in Software Defined Networks
Software-defined networking technology is an approach in computer networks that enables network administrators to easily manage the network at a lower cost. This is done by separating the control layer from the data layer. This process makes new vulnerabilities in switches, controllers and communication protocols between them that did not exist in traditional networks. This article provides a simple and inexpensive way to identify endangered network equipment, especially switches and controllers, even when both are compromised. This method is based on periodic equipment validation with the help of a backup controller. To validate the switches, the incorrect forwarding attack model is used and the routing module is checked in the controller. The simulation results show that this method can detect endangered equipment with very low time and processing overhead.
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