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A denial-of-service resistant quality-of-service signaling protocol for mobile ad hoc networks

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4 Author(s)
M. Hejmo ; Dept. of Electr. & Comput. Eng., George Mason Univ., Fairfax, VA, USA ; B. L. Mark ; C. Zouridaki ; R. K. Thomas

Quality-of-service (QoS) signaling protocols for mobile ad hoc networks (MANETs) are highly vulnerable to attacks. In particular, a class of denial-of-service (DoS) attacks can severely cripple network performance with relatively little effort expended by the attacker. We propose a distributed QoS signaling protocol that is resistant to a large class of DoS attacks. The key elements of the scheme are: sensing of available bandwidth, traffic policing, and rate monitoring. The proposed signaling scheme provides QoS for real-time traffic and achieves a compromise between signaling protocols that require the maintenance of per-flow state and those that are completely stateless. The signaling scheme scales gracefully in terms of the number of nodes and/or traffic flows in the MANET. We analyze the key security properties of the protocol and present simulation results to demonstrate its resistance to DoS attacks

Published in:

Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks (QSHINE'05)

Date of Conference:

24-24 Aug. 2005