BSD-Guard: A Collaborative Blockchain-Based Approach for Detection and Mitigation of SDN-Targeted DDoS Attacks

<div>The <i>packet_in</i> rate and CPU utilization of source and destination domains controller under tcpsyn0011 DDoS attack with BSD-Guard. The change in the attack source domain is ahead of the change in the target domain. (a) <i>packet_in</i> rate of source and destination domains controller; (b) CPU utilization of source and destination domains controller.</div>

Security and Communication Networks

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Figure 11

Figure 11: BSD-Guard: A Collaborative Blockchain-Based Approach for Detection and Mitigation of SDN-Targeted DDoS Attacks 