Simulation and analysis of DDos in active defense environment

Currently there is very few data that can describe the whole profile of a DDoS attack. In this paper, the active DDoS defense system deploys a number of sub-systems, such as Flexible Deterministic Packet Marking (FDPM) and Mark-Aided Distributed Filtering (MADF). In addition, two DDoS tools, TFN2K and Trinoo, are adopted and integrated into SSFNet to create virtual DDoS networks to simulate the attacks. Then, simulation experiments are used to evaluate the performance of the active DDoS defense system. At last, we set up a model to describe the interactions between DDoS attack and defense party, which allows us to have a deep insight of the interactions between the attack and defense parties. Experiment results shows that the model can precisely estimate the defense effectiveness of the system when it encounters attacks