Research Article

Network Traffic Anomaly Detection Model Based on Feature Reduction and Bidirectional LSTM Neural Network Optimization

Table 11

Detection results of the six models.

DatasetModelEvaluation metrics
Accuracy (%)Precision (%)Recall (%)F-score

NSL-KDDHCRNNIDS84.4682.1592.1486.86
ADASYN-LightGBM86.2582.9794.0588.16
LNNLS-KH89.1683.6496.4489.58
STL-HDL91.0282.3594.9888.21
E-GraphSAGE90.2083.9296.0389.57
FR-APPSO-BiLSTM91.7685.3798.5091.46

UNSW-NB1HCRNNIDS88.2885.9292.4389.06
ADASYN-LightGBM89.3690.2791.4490.85
LNNLS-KH90.4494.3591.0892.69
STL-HDL90.2992.1996.1494.12
E-GraphSAGE91.4293.4694.4393.94
FR-APPSO-BiLSTM92.0897.8898.3298.10

CICIDS-2017HCRNNIDS85.9094.3490.4492.35
ADASYN-LightGBM92.0097.3095.4496.36
LNNLS-KH91.5789.3190.3589.82
STL-HDL90.4695.0393.2394.12
E-GraphSAGE93.2692.3594.5193.41
FR-APPSO-BiLSTM95.4498.5898.4098.49