OverWatch: A Cross-Plane DDoS Attack Defense Framework with Collaborative Intelligence in SDN

<div>Workflow of attack reaction in a general SDN controller (i.e., Ryu controller). Be noted that this is only a sketch map for three-layer structured SDN controller.</div>

Security and Communication Networks

fig4

Figure 4

Figure 4: OverWatch: A Cross-Plane DDoS Attack Defense Framework with Collaborative Intelligence in SDN 