Advisor: Prof. Frank Y. S. Lin Presented BY Fan chiang , chun-wei
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Transcript of Advisor: Prof. Frank Y. S. Lin Presented BY Fan chiang , chun-wei
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Near-optimal Joint Defense Strategies against DDoS
Attacks Based upon Packet Filtering and Blocking Enabled by
Packet Marking Mechanism
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
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
Approximation Method Heuristic for ARACTS model
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
LR Subproblems Heuristic
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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
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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.
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Packet Marking Scheme
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
LR Subproblems Heuristic
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
LR Subproblems Heuristic
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channel
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
LR Subproblems Heuristic
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
Approximation Method Heuristic
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Approximation Method()
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Problem Description Scenario Models
ARACTS Model PPM-FRABS Model
LR Subproblems Heuristic for ARACTS model
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Thank you for your listening