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

<div>The CPU utilization rate of ONOS controller under DoS and DDoS attacks (the upper limit of the <i>Y</i>-axis in DoS group is 12% and is 80% in DDoS group).</div>

Security and Communication Networks

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Figure 3

Figure 3: BSD-Guard: A Collaborative Blockchain-Based Approach for Detection and Mitigation of SDN-Targeted DDoS Attacks 