A DDoS-Attack Detection Method Oriented to the Blockchain Network Layer

Table 4

Detection efficiencies over different attacks under different ratios of DDoS-attack traffic on the blockchain network layer.

Attack ratio (%)	TCP flood			UDP flood			ICMP			Redundancy P2P			Rumour
	Precision	Recall	F1-score	Precision	Recall	F1-score	Precision	Recall	F1-score	Precision	Recall	F1-score	Precision	Recall	F1-score
10	90.9	73.4	81.2	94.4	69.4	80	96.7	80.3	87.7	97.4	67.4	79.7	93.4	78.1	85.1
20	91.2	79.7	85.1	95.2	73.6	83	95.8	83.7	89.3	96.8	75.3	84.7	93.8	83.4	88.3
30	92.7	85.6	89.0	95.5	79.2	86.6	95.4	89.6	92.4	95.3	82.5	88.4	94.2	85.6	89.7
40	93.3	90.2	91.7	95.3	84.1	89.4	95.2	91.4	93.3	96.4	87.3	91.6	94.7	87.1	90.6
50	95.4	93.5	94.4	94.8	88.5	91.5	94.8	94.9	94.8	96.5	91.2	93.8	95.7	90.5	92.8