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On the development of an adaptable distributed filesystem

Abstract

A distributed file system (DFS) is a system where files are stored along distinct computers, linked through a communication network. Even though several DFS are capable of attending several characteristics, such as access/location transparency, performance, scalability, concurrency control, fault-tolerance and security, to attend them simultaneously is complex and difficult to manage. Another important aspect to consider is that when one characteristic has its complexity increased, the remaining ones may be negatively affected. Thisexplains why most of the DFS are developed aiming at fulfilling specific scenarios. Aiming at a system that fulfills several characteristics in acontrolled scenario, this research project has as goal the specification of an architecture model and the implementation of a flexible and adaptable distributed file system that incorporates characteristics of transparency, scalability, fault tolerance, cryptography, low cost hardware support and be ease to use the files. (AU)

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