Efficient Peer-to-Peer Information Sharing over Mobile Ad Hoc Networks

Peer-to-peer systems have gained a lot of attention as information sharing systems for the wide-spread exchange of resources and voluminous information among thousands of users. However, current peer-to-peer information sharing systems work mostly on wired networks. With the growing number of communication-equipped mobile devices that can self-organize into infrastructure-less communication platform, namely mobile ad hoc networks (MANETs), peerto-peer information sharing over MANETs is a promising research area. In this paper, we propose a distributed index structure, Multi-level Peer Index (MPI), that enables efficient peer-to-peer information sharing over MANETs. Preliminary evaluation demonstrates that MPI is scalable, efficient, and adaptive to node mobility.

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