Introduction to IP Traceback课件.ppt

Introduction to IP Traceback;Outline;Introduction;Introduction ;DDoS;The Difficulty to Catch the Attacker ;IP Traceback Problem ;IP Traceback Problem - Solution;Evaluation Metrics for IP Traceback Technique (1);Evaluation Metrics for IP Traceback Technique (2);Ingress Filtering ;Ingress Filtering;Why Don’t People Run Ingress Filtering？;Packet Marking;Packet Marking;Probabilistic Packet Marking ;Router Marking;Pros Cons;Ability to Trace Transformed Packets;ICMP Traceback (iTrace) ;“Intension-Driven” iTrace;Architecture;Pros Cons;Deterministic Packet Marking;The Information of Marks ;Reconstruction Process ;PPM vs. DPM;Packet Digesting Source Path Isolation Engine (SPIE);Packet Digesting;Prefix Length Collision Probability;Bloom Filter (1);Bloom Filter (2);Architecture (1);Architecture (2);Architecture (3);Traceback Processing ;Graph Construction;Ability to Trace Transformed Packets (1);Ability to Trace Transformed Packets (2);Summary ;Summary ;References