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Peer-to-Peer Storage

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Encyclopedia of Database Systems

Synonyms

Distributed storage systems; Cooperative storage systems; Wide-area storage systems

Definition

Peer-to-peer (P2P) storage is a paradigm to leverage the combined storage capacity of a network of storage devices (peers) contributed typically by autonomous end-users as a common pool of storage space to store and share content, and is designed to provide persistence and availability of the stored content despite unreliability of the individual autonomous peers in a decentralized environment.

Historical Background

For diverse reasons including fault-tolerance, load-balance or response time, or geographic distribution of end users, distributed data stores have been around for a long while. This includes distributed databases, distributed file systems and Usenet servers among others. Usenet servers communicated among each other in a peer-to-peer manner, and replicated content.

While some redundancy is necessary for fault tolerance, replicating all content at all peers is a very...

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Recommended Reading

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Author information

Authors and Affiliations

  1. Nanyang Technological University, Singapore, Singapore

    Anwitaman Datta

Authors
  1. Anwitaman Datta
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Editor information

Editors and Affiliations

  1. College of Computing, Georgia Institute of Technology, 266 Ferst Drive, 30332-0765, Atlanta, GA, USA

    LING LIU (Professor) (Professor)

  2. Database Research Group David R. Cheriton School of Computer Science, University of Waterloo, 200 University Avenue West, N2L 3G1, Waterloo, ON, Canada

    M. TAMER ÖZSU (Professor and Director, University Research Chair) (Professor and Director, University Research Chair)

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© 2009 Springer Science+Business Media, LLC

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Datta, A. (2009). Peer-to-Peer Storage. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_1216

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