A fair replica placement for parallel download on cluster grid

Authors:
Chih-Ming Wang;Chu-Sing Yang;Ming-Chao Chiang
Affiliations:
Department of Computer Science and Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan, R.O.C.;Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan, R.O.C.;Department of Computer Science and Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan, R.O.C.
Venue:
NBiS'07 Proceedings of the 1st international conference on Network-based information systems
Year:
2007

Citing 10
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Abstract

Grid technologies congregate numerous computers to provide powerful computing and massive storage. In data-intense applications, Data Grids are developed to cope with the efficiency of data access. Replication is one of the methods to elevate the access performance. When a file is replicated, it can be downloaded from all the nodes with that file in parallel, thus reducing the access latency. Therefore, a fair and adaptive replication strategy for high speed transmission is important. In this paper, we design such a strategy to duplicate popular files to beneficial nodes in the grid networks. All the users deserve the same quality of transmission. The contributions of our mechanism are to average the transmission cost and evenly distribute the workload for download. Simulation results are also given to demonstrate the performance of our replication strategy.