IP Traceback based on Chinese Remainder Theorem

L.-C. Wuu, T.-J. Liu, and J.-Y. Yang (Taiwan)


Distributed Denial-of-Service, IP traceback, Probabilistic Packet Marking, Chinese Remainder Theorem


IP traceback is a defense method to help a victim for identifying the sources of attacking traffic. In this paper, we propose an IP traceback method based on the Chinese Remainder Theorem to require routers mark packets probabilistically with partial path information during forwarding packets. Our method can interoperate seamlessly with legacy routers and it is incrementally deployable. A victim does not need to maintain the network topology while it reconstructs attack paths. The simulation reveals that, in comparison with the previous works, our method uses fewer numbers of marked packets and less time to reconstruct the complete attack paths.

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