Table 3.

Comparison of security decision delay under different methods (unit: ms).

Solution	Patch Risk Level	Average delay	99th percentile delay	Delay standard deviation
Method in this paper	High Risk	12.3	18.5	1.8
	Medium Risk	9.7	15.2	1.5
	Low Risk	7.2	11.8	1.2
ZT	High Risk	32.4	45.6	5.3
	Medium Risk	28.9	40.3	4.8
	Low Risk	25.7	36.9	4.2
Auto-Q-learning	High Risk	20.8	29.7	3.6
	Medium Risk	17.3	25.1	3.1
	Low Risk	14.5	21.4	2.7
SR	High Risk	29.8	42.1	4.9
	Medium Risk	26.5	38.7	4.5
	Low Risk	23.2	34.5	3.9