An Adaptive Flooding Detection Framework With Blockchain Mitigation for Satellite Communications

ABSTRACT Satellite communication has gained significant attention in the context of sixth‐generation (6G) internet technology. Due to their high altitudes, dynamic link switching, and limited resources, satellite nodes are prone to higher bit error rates and communication delays. Additionally, the threat of Distributed Denial‐of‐Service (DDoS) attacks poses a serious challenge to satellite communication. These attacks are constantly evolving. Hence, it is crucial to develop a strategy to counter both known and unknown DDoS attacks. This article has proposed a scheme to mitigate the impact of DDoS attacks on satellite internet for reliable communication. The proposed scheme, Adaptive Link Backing Detection and Mitigation (ALBDM), leverages traffic and link features for DDoS attack detection. By implementing an adaptive model, ALBDM offers flexibility for reliable communication during DDoS assaults. To effectively mitigate DDoS attacks, a Blockchain has been integrated into the proposed scheme. Simulation and performance analysis results demonstrate that the proposed ALBDM scheme significantly reduces the impact of DDoS attacks. The proposed scheme achieves a true positive rate of 99.84%, an accuracy rate of 99.3%, and a false positive rate of only 0.14%.