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Advisor: Prof. Frank Y. S. Lin Presented BY Fan chiang , chun-wei

以封包標注為基礎之分散式阻絕服務攻擊 封包過濾及阻塞之近似最佳化聯防策略. Near-optimal Joint Defense Strategies against DDoS Attacks Based upon Packet Filtering and Blocking Enabled by Packet Marking Mechanism. Advisor: Prof. Frank Y. S. Lin Presented BY Fan chiang , chun-wei. Problem Description Scenario Models

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Advisor: Prof. Frank Y. S. Lin Presented BY Fan chiang , chun-wei

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  1. 以封包標注為基礎之分散式阻絕服務攻擊 封包過濾及阻塞之近似最佳化聯防策略 Near-optimal Joint Defense Strategies against DDoS Attacks Based upon Packet Filtering and Blocking Enabled by Packet Marking Mechanism Advisor: Prof. Frank Y. S. LinPresented BY Fan chiang, chun-wei

  2. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • Approximation Method • Heuristic for ARACTS model Agenda

  3. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • LR • Subproblems • Heuristic Agenda

  4. DDoS attack has become a serious problem to User, ASP, Network Operator • Filtering can help the victim to regulate the incoming traffic • However, the legitimate packets might also be throttled as malicious ones • Packet Marking can help filtering to reach a better performance Problem Description

  5. In this thesis, • we take Filtering, Packet Marking and Blocking into consideration; and formulate the problem into a mathematical form. • We consider Three Parties, Attacker, ASP and Network Operator, scenario. Problem Description

  6. Packet Marking Scheme Problem Description

  7. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • LR • Subproblems • Heuristic Agenda

  8. Scenario

  9. Scenario

  10. Scenario

  11. Scenario

  12. Scenario

  13. Scenario

  14. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • LR • Subproblems • Heuristic Agenda

  15. ARATCS MODEL

  16. ARATCS MODEL channel

  17. ARATCS MODEL

  18. ARATCS MODEL

  19. ARATCS MODEL

  20. ARATCS MODEL

  21. ARATCS MODEL

  22. ARATCS MODEL

  23. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • LR • Subproblems • Heuristic Agenda

  24. PPM-FRABS MODEL

  25. PPM-FRABS MODEL

  26. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • Approximation Method • Heuristic Agenda

  27. Approximation Method

  28. Approximation Method Approximation Method()

  29. Approximation Method

  30. Problem Description • Scenario • Models • ARACTS Model • PPM-FRABS Model • LR • Subproblems • Heuristic for ARACTS model Agenda

  31. Heuristic

  32. Heuristic

  33. Thank you for your listening

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