Distributed resource management and matching in sensor networks
We consider a scenario in which there are resources at or near nodes of a network, which are either static (e.g. fire stations, parking spots) or mobile (e.g. police cars). Over time, events (fires, crime reports, cars looking for parking) arise one-by-one at arbitrary nodes, and need to be quickly...
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| Veröffentlicht in: | 2009 International Conference on Information Processing in Sensor Networks S. 97 - 108 |
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| Hauptverfasser: | , , , |
| Format: | Tagungsbericht |
| Sprache: | Englisch |
| Veröffentlicht: |
Washington, DC, USA
IEEE Computer Society
13.04.2009
IEEE |
| Schriftenreihe: | ACM Conferences |
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| ISBN: | 1424451086, 9781424451081 |
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| Abstract | We consider a scenario in which there are resources at or near nodes of a network, which are either static (e.g. fire stations, parking spots) or mobile (e.g. police cars). Over time, events (fires, crime reports, cars looking for parking) arise one-by-one at arbitrary nodes, and need to be quickly matched to and serviced by an appropriate nearby resource, without knowledge of future requests, and without the ability to alter any decision once it has been made. We develop distributed algorithms to direct available resources in the network to these events (or vice versa) in a coordinated fashion, so that no two resources are assigned to the same event, and the total distance of the events from their matched resources is minimized. The key idea is to extract, in a preprocessing stage, a well-separated tree metric that approximates the original network metric by a logarithmic distortion, allowing greedy matching algorithms to generate close to optimal matchings, and enabling communication-efficient probing-based algorithms for events to detect nearby available resources. The distributed matching algorithm requires no global coordination and achieves polylogarithmic performance ratio in both online and offline settings. Simulation experiments corroborate the theoretical results on solution quality and further evaluate the communication costs of our scheme in practice. |
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| AbstractList | We consider a scenario in which there are resources at or near nodes of a network, which are either static (e.g. fire stations, parking spots) or mobile (e.g. police cars). Over time, events (fires, crime reports, cars looking for parking) arise one-by-one at arbitrary nodes, and need to be quickly matched to and serviced by an appropriate nearby resource, without knowledge of future requests, and without the ability to alter any decision once it has been made. We develop distributed algorithms to direct available resources in the network to these events (or vice versa) in a coordinated fashion, so that no two resources are assigned to the same event, and the total distance of the events from their matched resources is minimized. The key idea is to extract, in a preprocessing stage, a well-separated tree metric that approximates the original network metric by a logarithmic distortion, allowing greedy matching algorithms to generate close to optimal matchings, and enabling communication-efficient probing-based algorithms for events to detect nearby available resources. The distributed matching algorithm requires no global coordination and achieves polylogarithmic performance ratio in both online and offline settings. Simulation experiments corroborate the theoretical results on solution quality and further evaluate the communication costs of our scheme in practice. |
| Author | Gao, Jie Milosavljevic, Nikola Dengpan Zhou Guibas, Leonidas |
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| PublicationTitle | 2009 International Conference on Information Processing in Sensor Networks |
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| Snippet | We consider a scenario in which there are resources at or near nodes of a network, which are either static (e.g. fire stations, parking spots) or mobile (e.g.... |
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| SubjectTerms | Computer networks Computer science Computer systems organization -- Architectures -- Distributed architectures Computing methodologies -- Modeling and simulation -- Simulation evaluation Costs Distributed computing Distributed Matching Event detection Fires Intelligent sensors Mathematics of computing -- Mathematical analysis -- Mathematical optimization Networks -- Network services -- Network management Optimal matching Resource management Sensor Networks Software and its engineering -- Software organization and properties -- Software system structures -- Distributed systems organizing principles Theory of computation -- Design and analysis of algorithms -- Data structures design and analysis -- Pattern matching Theory of computation -- Design and analysis of algorithms -- Mathematical optimization Vehicles |
| Title | Distributed resource management and matching in sensor networks |
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