A Multivariant Stream Analysis Approach to Detect and Mitigate DDoS Attacks in Vehicular Ad Hoc Networks

Algorithm 2

Input: Network Trace Nt.

Output: MVSW.

Step 1. Start

Step 2. Read network trace Nt.

Step 3. For each time window Ti

Step 4. Compute average payload Ap =

Step 5. Compute average hop count Ahc =

Step 6. Compute average ttl value Attl =

Step 7. Compute average packet frequency Apf =

Step 8. Compute multi-attribute stream factor masv.

Step 9. MASV =

Step 10. End

Step 11. Masw =

Step 12. Stop