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In mobile ad hoc networks (MANETs), hierarchical key management structure has some distinct features and becomes popular in many applications. In a MANET where security requirement is high, node states should be considered when constructing a private key generator (PKG). In this paper, we propose a distributed hierarchical key management scheme in which nodes can get their keys updated from optimally...
Abstract-Recently, popularity of multimedia content sharing among the Internet users and development of wireless mobile devices have promoted a trend of deploying Peer-to-Peer (P2P) networks over mobile ad hoc networks (MANETs) for mobile content distribution. However, due to limited radio transmission range, sporadic node densities and power limitations, MANETs may become intermittently connected...
In this paper, we propose a novel peer-to-peer based information diffusion scheme for mobile ad hoc networks. Due to mobility and bandwidth constraints, it is not always possible to share a complete content within a single transmission from one mobile device to another. To address this problem, we introduce segmentation of contents into smaller pieces for efficient information exchange. In mobile...
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