Network Intrusion Detection with Nonsymmetric Deep Autoencoding Feature Extraction

Table 6

Comparison of feature extraction time.

Dataset	Dimension	Extraction time (s)		Time saving (%)
		SNDAE	ANDAE
NSL-KDD	20	3.91	3.28	16.11
	30	4.17	3.04	27.09
	40	5.14	3.95	23.1
CIC-IDS2017	20	12.64	9.64	23.73
	30	11.82	8.52	27.91
	40	11.26	8.93	20.69