Data dissemination is used in mobile ad hoc networks (MANETs) for activities like issuing commands, propagating alarms, and configuring nodes. Existing forms of data dissemination are based upon push or pull approaches. We present a novel data dissemination approach that supports push and pull approaches as well as direct node-to-node dissemination method. Our proposal is to develop a highly connected core based on two-hop neighbor information to assist in dissemination. We propose some algorithms for selecting a subset of network's nodes to perform data dissemination on behalf of the complete network. The core structure is characterized by its ability to work with limited neighbor information, connectivity maintenance, high connectivity with other features related to node degree. This property helps to lessen the control overhead as piggybacking can be used to gain partial neighbor information. We provide simulation results showing the performances of the proposed scheme

Distributed Core Assisted Scalable Data Dissemination in Mobile Ad Hoc Networks

FAZIO, MARIA;VILLARI, Massimo;PULIAFITO, Antonio
2005

Abstract

Data dissemination is used in mobile ad hoc networks (MANETs) for activities like issuing commands, propagating alarms, and configuring nodes. Existing forms of data dissemination are based upon push or pull approaches. We present a novel data dissemination approach that supports push and pull approaches as well as direct node-to-node dissemination method. Our proposal is to develop a highly connected core based on two-hop neighbor information to assist in dissemination. We propose some algorithms for selecting a subset of network's nodes to perform data dissemination on behalf of the complete network. The core structure is characterized by its ability to work with limited neighbor information, connectivity maintenance, high connectivity with other features related to node degree. This property helps to lessen the control overhead as piggybacking can be used to gain partial neighbor information. We provide simulation results showing the performances of the proposed scheme
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11570/1433300
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