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Seventh International Network Conference (INC 2008)
Title: Strongly Anonymous Communications in Mobile Ad Hoc Networks
Author(s): Ying Dong, Victor OK Li, Siu-Ming Yiu, Lucas Chi Kwong Hui
Keywords: Anonymous routing, MANETs
Abstract: A mobile ad hoc network consists of mobile nodes that communicate in an open wireless medium. Adversaries can launch analysis against the routing information embedded in the routing message and data packets to detect the traffic pattern of the communications, thereby obtaining sensitive information of the system, such as the identity of a critical node. In order to thwart such attacks, anonymous routing protocols are developed. For the purposes of security and robustness, an ideal anonymous routing protocol should hide the identities of the nodes in the route, in particular, those of the source and the destination. Multiple routes should be established to increase the difficulty of traffic analysis and to avoid broken paths due to node mobility. Existing schemes either make the unrealistic and undesired assumption that certain topological information about the network is known to the nodes, or cannot achieve all the properties described in the above. In this paper, we propose an anonymous routing protocol called MLAR, which can satisfy all the required properties.
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