DHT

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DHT

(Distributed Hash Table) A method for storing hash tables in geographically distributed locations in order to provide a failsafe lookup mechanism for distributed computing. Various algorithms have been explored that provide the right balance and speed for storing parts of the tables in different locations. Having been used in the early and mid-1990s for local area network storage, after the turn of the century, DHTs were brought into focus for peer-to-peer computing over the Internet. A DHT provides a fault tolerant storage interface on top of which is layered an application such as music sharing, file sharing or distributed backup.

In 2002, the National Science Foundation awarded a grant to the IRIS Project (Infrastructure for Resilient Internet Systems) to develop failure-proof lookup tables for data storage. Five universities and research institutes were involved (for more information, visit http://iris.lcs.mit.edu).
References in periodicals archive ?
For network topology we adopted a structured P2P network based on a Distributed Hash Table, described in Section 2.
Results suggest that the model is a valid alternative to Distributed Hash Tables and other forwarding-based strategies in their attempt to solve the problem of distributed search on P2P systems.
Bringing efficient advanced queries to distributed hash tables.
Other topics covered include self-stabilization in preference-based networks, the design and evaluation of techniques for route diversity in distributed hash tables, and the effect of virtual media on business usage of peer-to-peer.

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