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Erschienen in:
2011 | OriginalPaper | Buchkapitel
A Improvement of Mobile Database Replication Model
verfasst von : Yang Chang Chun, Ye Zhi Min, Shen Xiao Ling
Erschienen in: Information and Management Engineering
Verlag: Springer Berlin Heidelberg
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This article is on the basis of three-level model, put related affairs result sets as synchronous processing model, it put the traditional tuple or affairs result sets which are taken as the synchronous granularity into related affairs result sets and according to related affairs conflict resolution strategy, reduce the amount of data synchronization transmission effectively, improve the efficiency that mobile database are in the use of wireless link resources. Meanwhile combined with the improved upload affairs queue structure, this article put the reading sets, write sets and result sets which are taken as form of affairs upload traditionally into the form of data sets and result sets, improve the output efficiency. Finally, through the simulation experiments, the improved model is compared to the traditional synchronous processing model, proof the superiority of this model.