Model
Digital Document
Publisher
Florida Atlantic University
Description
In this thesis, a delta service extends a mobile file system cache in order to minimize the amount of data transferred over wireless communications links. Network bandwidth stands as one of the resource limitations impacting the design of mobile computer applications. At the mobile file system service level, caching and compression provide resource conservation in distributed applications. This thesis proposes a delta service to enhance caching services characteristic of mobile computer file systems. Well established a mechanisms for sequence comparison and software configuration management, file deltas have applicability to mobile computer and distributed file system caching environments. Study of the delta service uses trace-driven simulation methodology incorporating traces obtained in a real world distributed environment. A mobile computer client cache model will corroborate existing studies regarding suitable cache size for disconnected client operation. A delta service model will extend the mobile computer client cache model of various cache sizes in order to gauge the bandwidth savings on the link obtained by the delta service.
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