CATCH: A Protocol Framework for Cross-Layer Attacker Traceback in Mobile Multi-Hop Networks

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Executive Summary

Flooding-type Denial-of-Service (DoS) and Distributed DoS (DDoS) attacks can cause serious problems in mobile multi-hop networks due to its limited network/host resources. Attacker traceback is a promising solution to take a proper countermeasure near attack origins, for forensics and to discourage attackers from launching the attacks. However, attacker traceback in mobile multi-hop networks is a challenging problem. Existing IP traceback schemes developed for the fixed networks cannot be directly applied to mobile multi-hop networks due to the peculiar characteristics of the mobile multi-hop networks (e.g., dynamic/autonomous network topology, limited network/host resources such as memory, bandwidth and battery life).

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