Practical Analysis of Control Plane Resilience In Software-Defined Networks (sdn) For Military Applications.

The increasing complexity of military operational environments demands communication networks that are robust, flexible, and resilient. Software-Defined Networks (SDN) emerge as a promising alternative, enabling the separation of control and data planes, thereby providing greater adaptability and integration with Internet of Battlefield Things (IoBT) devices. However, centralization of the control plane presents significant resilience challenges, making the network vulnerable to both logical and physical failures in the controllers. This study conducts an empirical analysis of the resilience of the SDN control plane in military scenarios, evaluating the assimilation of new nodes and the impact of controller failures and destruction. The emulated experiments were conducted using the ONOS, Ryu, and Floodlight controllers, both in isolation and in combination. The results indicate that the distributed approach based on controller diversity significantly improves network stability, reducing latency, jitter, and packet loss. The hybrid configuration of the Floodlight and Ryu controllers demonstrated superior performance, exhibiting greater recovery capacity and operational continuity in the face of critical failures.