Network Threats Mitigation Using Software-Defined Networking for the 5G Internet of Radio Light System

Table 3

Experimental results for various nmap scan modes and check interval values. Results contain the average CPU utilization during the experiment and the reaction delay. Results in bold indicate controller’s overload and failure.

			Check Interval
			0.01 s		0.02 s		0.05 s		0.10 s		0.20 s		0.50 s		1.00 s		2.00 s
nmap		T	CPU	R. t.	CPU	R. t.	CPU	R. t.	CPU	R. t.	CPU	R. t.	CPU	R. t.	CPU	R. t.	CPU	R. t.
mode			avg%	[s]	avg%	[s]	avg%	[s]	avg%	[s]	avg%	[s]	avg%	[s]	avg%	[s]	avg%	[s]
T5	50	4	94.0	—	78.9	—	54.8	—	42.4	—	30.0	1.050	3.9	1.050	12.0	1.050	2.3	1.687
	100	7	99.6	—	91.1	—	56.3	—	15.9	1.050	7.4	1.049	3.9	1.050	2.7	1.050	2.3	1.685
	200	13	91.3	—	78.9	—	39.1	0.037	23.0	0.081	10.4	0.153	4.9	1.139	3.3	0.840	2.5	1.394
	300	19	99.0	—	88.3	—	49.1	0.050	30.9	0.075	12.6	0.176	6.5	0.707	4.0	0.865	3.0	1.402
	400	26	91.9	—	88.5	—	71.8	—	28.3	0.107	15.2	0.437	9.0	0.602	5.5	1.139	4.0	1.378
	450	29	92.9	—	88.6	—	60.9	0.081	33.9	0.115	18.1	0.189	9.3	1.001	4.9	1.125	3.9	1.396
	500	32	95.3	—	90.6	—	75.5	—	36.3	0.133	18.9	0.136	9.4	0.996	5.2	1.132	3.6	1.480
	550	34	96.6	—	91.3	—	73.6	—	38.0	0.119	25.2	0.193	9.8	1.133	5.7	1.271	3.7	1.458
	600	38	100.0	—	95.0	—	72.1	—	39.2	0.134	21.5	0.202	8.5	0.871	5.7	0.834	4.0	1.402
	650	41	99.9	—	90.0	—	65.8	—	36.9	0.159	21.0	0.170	10.4	0.619	5.8	1.114	3.7	1.407
T4	50	4	74.0	—	53.6	—	26.6	1.100	20.5	1.100	4.6	1.100	2.4	1.100	2.1	1.100	1.6	1.100
	100	7	81.4	—	58.5	—	42.1	—	10.1	1.100	4.6	1.100	2.4	1.100	1.9	1.100	1.5	1.549
	200	13	81.2	—	54.2	—	22.4	0.053	13.1	0.082	7.8	0.150	3.3	0.519	2.5	0.721	1.7	1.210
	300	19	91.7	—	66.3	—	37.5	0.052	18.3	0.060	10.3	0.165	4.9	0.302	2.8	0.850	2.0	1.172
	400	26	89.7	—	72.5	—	38.4	0.049	24.2	0.056	11.4	0.154	6.2	0.532	3.5	0.481	2.5	1.148
	450	29	93.0	—	100.0	—	52.6	0.047	31.0	0.070	14.1	0.212	6.1	0.194	4.1	0.764	2.5	1.236
	500	32	91.0	—	81.6	—	65.1	0.050	30.7	0.089	15.5	0.151	6.7	0.411	4.7	0.833	2.6	1.272
	550	34	93.8	—	86.3	—	59.0	0.053	32.0	0.071	17.0	0.193	7.7	0.533	4.4	0.547	3.0	1.509
	600	38	95.3	—	100.0	—	73.4	0.058	35.5	0.101	18.6	0.176	7.1	0.397	4.3	0.852	2.7	1.421
	650	41	99.3	—	95.7	—	57.1	0.049	34.6	0.122	22.3	0.151	7.9	0.427	4.4	0.630	2.9	1.411
T3	50	4	35.2	1.100	56.2	—	40.0	—	5.0	1.100	2.7	1.100	1.5	1.100	1.0	1.100	0.8	1.374
	100	7	50.6	—	40.8	—	7.8	1.100	4.7	1.100	2.3	1.100	1.1	1.100	0.8	1.100	0.6	1.212
	200	13	81.0	—	52.2	—	16.9	0.044	13.8	0.074	6.9	0.150	3.5	0.364	2.2	0.652	1.7	1.260
	300	19	79.5	—	64.3	—	34.5	0.040	18.8	0.060	7.2	0.197	4.7	0.496	2.8	0.683	1.9	1.190
	400	26	86.0	—	72.1	—	32.5	0.049	24.0	0.063	11.3	0.167	6.1	0.472	3.2	0.471	2.5	1.223
	450	29	92.9	—	98.6	—	47.1	0.037	30.5	0.082	13.9	0.178	6.4	0.510	3.8	0.779	2.3	1.362
	500	32	88.8	—	80.8	—	60.9	0.046	28.4	0.109	16.3	0.191	6.7	0.313	4.2	0.706	2.5	1.347
	550	34	90.2	—	86.5	—	61.4	0.056	34.1	0.095	16.1	0.202	7.2	0.360	4.4	0.654	2.8	1.272
	600	38	95.3	—	100.0	—	70.5	0.057	36.7	0.113	14.5	0.169	7.2	0.351	4.2	0.854	2.5	1.397
	650	41	99.3	—	94.7	—	63.3	0.054	33.1	0.132	17.0	0.119	7.9	0.308	4.5	0.552	2.9	1.282
T2	50	4	15.6	0.399	8.1	0.400	4.7	0.400	1.5	0.400	1.4	0.400	0.9	0.572	0.6	1.029	0.3	0.900
	100	7	11.1	0.400	11.0	0.400	2.0	0.400	1.3	0.400	0.7	0.400	0.3	0.400	0.3	0.700	0.2	1.301
	200	13	9.0	0.400	4.6	0.400	2.1	0.400	1.5	0.400	0.8	0.400	0.3	0.500	0.3	0.650	0.2	0.750
	300	19	12.4	0.400	6.5	0.400	3.1	0.400	1.6	0.400	1.3	0.400	0.4	0.450	0.3	0.800	0.2	0.560
	400	26	14.9	0.400	7.6	0.400	3.4	0.401	1.9	0.400	1.2	0.400	0.6	0.400	0.3	0.400	0.3	1.601
	450	29	16.6	0.400	8.6	0.400	3.9	0.401	2.5	0.400	1.4	0.400	0.7	0.400	1.5	0.401	0.3	1.201
	500	32	17.6	0.400	9.3	0.400	4.4	0.400	2.4	0.400	1.5	0.400	0.8	0.400	0.5	0.801	0.4	1.601
	550	34	18.6	0.400	9.7	0.400	4.8	0.400	3.3	0.400	1.6	0.400	0.9	0.392	0.6	0.801	0.4	2.002
	600	38	19.8	0.400	10.7	0.400	5.3	0.400	2.9	0.400	1.5	0.400	0.7	0.400	0.4	0.801	0.3	1.201
	650	41	20.3	0.400	10.5	0.400	4.5	0.400	2.5	0.400	2.6	0.400	1.0	0.801	0.5	0.400	0.3	1.601
T1	50	4	3.5	15.010	2.2	15.002	1.5	15.013	1.2	15.005	0.3	15.012	0.2	15.004	0.3	15.004	0.4	15.005
	100	7	1.8	15.012	1.2	15.015	0.6	15.006	0.3	15.000	0.2	15.013	0.2	15.004	0.1	15.008	0.2	15.015
	200	13	1.9	15.015	1.3	15.004	0.5	15.004	0.4	15.004	0.2	15.012	0.1	15.001	0.1	15.015	0.2	15.004
	300	19	6.4	15.001	1.4	15.005	0.6	15.008	0.3	15.005	0.6	15.004	0.1	15.001	0.1	15.015	0.1	15.005
	400	26	2.2	15.007	1.6	15.009	0.6	15.013	0.3	15.004	0.2	15.008	0.2	15.012	0.1	15.010	0.1	15.012
	450	29	2.4	15.012	1.8	15.012	0.8	15.014	0.5	15.002	0.3	15.009	0.3	15.013	0.2	15.015	0.2	15.008
	500	32	2.4	15.014	1.5	15.015	0.9	15.004	0.4	15.015	0.3	15.001	0.3	15.012	0.2	15.012	0.2	15.015
	550	34	2.4	15.004	1.5	15.012	0.9	15.015	0.5	15.000	0.3	15.008	0.3	15.015	0.2	15.013	0.2	15.012
	600	38	2.5	15.015	1.7	15.015	1.0	15.001	0.6	15.013	0.2	15.015	0.2	15.001	0.1	15.015	0.2	15.012
	650	41	2.5	15.010	1.6	15.008	0.7	15.001	0.4	15.001	1.1	15.004	0.2	15.004	0.2	15.000	0.1	15.001