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**1 - 2**of**2**### Anonymous Networking with Localized Eavesdroppers: A Game-Theoretic Approach

"... Abstractâ€”The problem of anonymous wireless networking is considered when an adversary monitors the packet transmission timing of an unknown fraction of the network nodes. For a given level of network performance, as measured by network throughput, the problem of maximizing anonymity is studied from ..."

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Abstractâ€”The problem of anonymous wireless networking is considered when an adversary monitors the packet transmission timing of an unknown fraction of the network nodes. For a given level of network performance, as measured by network throughput, the problem of maximizing anonymity is studied from a game-theoretic perspective. Using conditional entropy of routes as a measure of anonymity, this problem is posed as a two player zero-sum game between the network designer and the adversary; the task of the adversary is to choose a subset of nodes to monitor so that anonymity of routes is minimum and the task of the network designer is to choose a subset of nodes (referred to as covert relays to generate independent transmission schedules and evade flow detection so that anonymity is maximized. It is shown that a Nash equilibrium exists for a general category of finite networks. The theory is applied to the numerical example of a switching network to study the relationship between anonymity, fraction of monitored relays and the fraction of covert relays.