Self-adaptive clock synchronization for computational grid
Zhao, Ying, Zhou, Wanlei, Huang, Jiumei, Yu, Shui and Lanham, Elicia 2002, Self-adaptive clock synchronization for computational grid, in GCC 2002 : Proceedings of the grid and cooperative computing international workshop, Publishing House of Electronics Industry, Beijing, China, pp. 932-942.
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This paper presents an innovative method to synchronize physical clocks for a computational grid, in particular for a computational grid linked through the asynchronous Intranet or Internet environments. The method discussed is an asynchronous self-adaptive clock synchronization mechanism. Two strategies for clock synchronisation are introduced. (1) Use continuous time intervals to calculate the precision of clocks, which can reduce the effect of network delay efficiently. (2) Every node synchronizes its clock with its leader actively. In addition, a node self-adaptive model is presented, and the relationship between the clock precision and synchronization time is induced, hence a node can predict when it should begin the synchronization process. Detailed simulation and extension of this issue are provided at the end of the paper. The presented model is both practical and feasible.
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