[Retracted] Vulnerability Digging for Software-Defined Network Controller Using Event Flow Graph Analysis

Table 1

Proportion range and average quantity curve parameters of some events.

Event	Range of proportion	Average number change curve parameters
		Coefficient	Intercept
EventOFPFlowMod	(0.00, 5.40)	[0.0, 2.77, −0.65, 0.07, −0.0, 0.0, −0.0]	0.0
EventDP	(0.00, 2.17)	[0.0, 2.77, −0.65, 0.07, −0.0, 0.0, −0.0]	0.0
EventOFPPortDescStatsRequest	(0.00, 2.17)	[0.0, 2.77, −0.65, 0.07, −0.0, 0.0, −0.0]	0.0
EventOFPPortstatus	(0.00, 2.93)	[0.0, 7.78, −2.52, 0.35, −0.02, 0.0, −0.0]	−1.0
EventOFPPortStateChange	(0.00, 0.51)	[0.0, 0.34, −0.14, 0.02, −0.0, 0.0, 0.0]	0.0
EventOFPPacketIn	(0.00, 78.77)	[0.0, 28.81, −3.64, 0.423, −0.03, 0.0, −0.0]	−4.0
EventSwitchEnter	(0.00, 4.35)	[0.0, 5.65, −1.38, 0.16, −0.01, 0.0, −0.0]	0.0
EventOFPSwitchFeatures	(0.00, 10.87)	[0.0, 14.17, −3.49, 0.41, −0.02, 0.0, −0.0]	−1.0
EventHostAdd	(0.00, 10.33)	[0.0, 6.31, −1.52, 0.17, −0.01, 0.0, −0.0]	0.0
EventOFPStateChange	(0.91, 100.00)	[0.0, 18.89, −4.80, 0.57, −0.03, 0.0, −0.0]	1.0
EventPortDelete	(0.00, 1.02)	[0.0, 0.65, −0.23, 0.05, −0.0, 0.0, −0.0]	0.0
EventOFPFeaturesRequest	(0.00, 2.17)	[0.0, 2.77, −0.65, 0.07, −0.0, 0.0, −0.0]	0.0
EventOFPEchoRequest	(0.00, 0.72)	[0.0, 0.02, −0.03, 0.01, −0.0, 0.0, −0.0]	0.0
EventOFPEchoReply	(0.00, 0.24)	[0.0, 0.19, −0.08, 0.01, −0.0, 0.0, 0.0]	0.0
EventOFPHello	(0.00, 6.52)	[0.0, 8.42, −2.03, 0.23, −0.01, 0.0, −0.0]	−0.1