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http://dx.doi.org/10.6109/jkiice.2011.15.1.141

Implementation And Performance Evaluation of a Synchronization System based on the multi-queue on Mobile Environments  

Kim, Hong-Ki (동서대학교 유비쿼터스IT 대학원)
Kim, Dong-Hyun (동서대학교 컴퓨터정보공학부)
Abstract
The GIS service has to provide latest spatio-temporal data for the effective service. The two-way synchronization scheme collects updated spatio-temporal data in the field and synchronizes with a server by using the wireless network. However, since the two-way synchronization scheme processes sequentially synchronizing work of clients, it has the problem that the synchronization of multiple clients takes long time. In this paper, we propose the concurrent synchronizations scheme based on the multi-queue in order to reduce the waiting time of multiple clients. We also build both schemes and evaulate the performance test. The results show that the proposed scheme reduce the waiting time by 31%.
Keywords
synchronization; mobile clients; mobile GIS; spatio-temporal data; wireless network;
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