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Proceedings of the 4th ACM international workshop on Data engineering for wireless and mobile access - MobiDE '05 - A hybrid approach to optimistic file system directory tree synchronization by Lindholm, Tancred; Kangasharju, Jaakko; Tarkoma, Sasu is a scholarly article available to read on EtoBox.

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There are two main approaches to optimistic file system synchronization: distributed file systems and file synchronizers. The former type is characterized by a log-based approach that depends on access to file system internals, the latter by a state-based approach that utilizes the standard file system interface, which limits the efficiency of change detection.We propose a hybrid approach that 1) defines a minor extension to the semantics of the file system interface that enables efficient state-based file system change detection and 2) employs selectively instantiated XML documents to make the use of state-based algorithms for optimistic synchronization feasible on large file systems.The hybrid approach is simple, well-suited for current file system architectures, and allows us to leverage existing state-based reconciliation algorithms. An initial implementation shows our approach to be feasible, lightweight, and interoperable and to have satisfactory performance.

Author

Lindholm, Tancred; Kangasharju, Jaakko; Tarkoma, Sasu

Publisher

ACM Press

Published

2005

Language

EN