Dynamic quorums for DHT-based enterprise infrastructures |
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Authors: | Roberto Baldoni Ricardo Jiménez-Peris Marta Patiño-Martínez Leonardo Querzoni Antonino Virgillito |
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Affiliation: | 1. Dipartimento di Informatica e Sistemistica ”A. Ruberti”, Sapienza, Università di Roma, Via Ariosto 25, 00185 Roma, Italy;2. Universidad Politécnica de Madrid (UPM), Campus de Montegancedo s/n, Boadilla del Monte, Madrid 28660, Spain |
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Abstract: | Peer-to-peer systems (P2P) have become a popular technique to design large-scale distributed applications in unmanaged inter-domain settings, such as file sharing or chat systems, thanks to their capabilities to self-organize and evenly split the load among peers. Recently, enterprises owning a large IT hardware and software infrastructure started looking at these P2P technologies as a means both to reduce costs and to help their technical divisions to manage huge number of devices characterized by a high level of cooperation and a relatively low churn. Gaining a quick exclusive access to the system for maintenance or auditing purposes in these enterprise infrastructures is a fundamental operation to be implemented. Conversely, this kind of operation is usually not an issue in the previously mentioned inter-domain setting, where peers are inherently independent and cannot be managed. |
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Keywords: | Quorum systems Hierarchical majority Hierarchical grid P2P Systems |
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