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Collaborative Traffic-Aware Intrusion Monitoring in Multi-channel Mesh Networks

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4 Author(s)
Qijun Gu ; Texas State Univ., San Marcos, TX, USA ; Wanyu Zang ; Meng Yu ; Peng Liu

Intrusion monitoring is an indispensable security measure for multi-channel wireless mesh networks. This paper studies how to use mesh routers to monitor a network while supporting regular traffic. This paper shows that the traffic aware monitoring (TRAM) problem is an NP-hard problem, which is challenging in coordinating monitoring and traffic forwarding to provide maximal monitoring coverage. This paper proposes three heuristic strategies for seeking optimal monitoring channels and develops a TRAM protocol for accommodating monitoring and transmission simultaneously in mesh networks. The evaluation shows that the proposed TRAM scheme can effectively utilize mesh routers' idle time for monitoring with only minor impact to regular traffic.

Published in:

2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications

Date of Conference:

25-27 June 2012