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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Brief Announcement: Opportunistic Information Dissemination in Mobile Ad-Hoc Networks:
Adaptiveness vs. Obliviousness and Randomization vs. Determinism
verfasst von : Martín Farach-Colton, Antonio Fernández Anta, Alessia Milani, Miguel A. Mosteiro, Shmuel Zaks
Erschienen in: Distributed Computing
Verlag: Springer Berlin Heidelberg
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In the context of Mobile Ad-hoc Networks (MANET), we study the problem of disseminating a piece of information, initially held by a source node, to some subset of nodes. We use a model of MANETs that is well suited for dynamic networks and opportunistic communication. We assume that network nodes are placed in a plane where they can move with bounded speed; they may start, crash and recover at different times; and they communicate in a collision-prone single channel. In this setup informed and uninformed nodes may be disconnected for some time, but eventually some informed-uninformed pair must be connected long enough to communicate. We show negative and positive results for different types of randomized protocols, and we contrast them with our previous deterministic results.