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

Table 4

Comparison of BSD-Guard and Isolated BSD-Guard under attack.

Indicators	BSD-Guard	Isolated BSD-Guard
Detect DDoS	Yes	Yes
SC-based defense	Yes	No
Identify attack path	Yes	No
Permit normal flow	Yes	No
Flow table space	Saved	Wasted