A Hybrid Transformer-Based Deep Neural Network for DDoS Detection: A Comparative Evaluation Across Modern Architectures
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Abstract
DDoS attacks remain a major threat to network infrastructures. While deep learning is applied for detection, prior studies often lack standardized comparison and stability evaluation under consistent settings. This study systematically evaluates nine deep learning models including MLP, CNNs, ResNet1D, and attention-augmented architectures under consistent experimental settings and introduces two novel models: TDNN (Transformer-based) and ATDNN (attention-enhanced) for capturing complex traffic patterns. Using a balanced real-world dataset, all models were trained over five independent runs, with performance assessed via accuracy, precision, recall, and F1-score. TDNN achieved the highest performance (Accuracy: 0.9653 ±0.0018; Precision: 0.9659 ±0.0016; Recall: 0.9653 ±0.0018; F1-score: 0.9653 ±0.0018), while simpler models such as DNN, MLP, and LSTMClassier also performed competitively with lower variance. The study further analyzes learning behaviors and evaluates deployment potential, highlighting that well-tuned deep learning models, particularly TDNN, can support real-time DDoS detection in enterprise and edge computing environments.
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