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arXiv · 2509.12291

Collaborative P4-SDN DDoS Detection and Mitigation with Early-Exit Neural Networks

Abstract

Distributed Denial of Service (DDoS) attacks pose a persistent threat to network security, requiring timely and scalable mitigation strategies. In this paper, we propose a novel collaborative architecture that integrates a P4-programmable data plane with an SDN control plane to enable real-time DDoS detection and response. At the core of our approach is a split early-exit neural network that performs partial inference in the data plane using a quantized Convolutional Neural Network (CNN), while deferring uncertain cases to a Gated Recurrent Unit (GRU) module in the control plane. This design enables high-speed classification at line rate with the ability to escalate more complex flows for deeper analysis. Experimental evaluation using real-world DDoS datasets demonstrates that our approach achieves high detection accuracy with significantly reduced inference latency and control plane overhead. These results highlight the potential of tightly coupled ML-P4-SDN systems for efficient, adaptive, and low-latency DDoS defense.

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Ouassim Karrakchou, Alaa Zniber, Anass Sebbar, Mounir Ghogho. 2025-09-15. Collaborative P4-SDN DDoS Detection and Mitigation with Early-Exit Neural Networks. https://doi.org/10.1109/globecom59602.2025.11431920

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