NDLI: A novel dynamic replica creation mechanism for Data Grids

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A novel dynamic replica creation mechanism for Data Grids

Content Provider	IEEE Xplore Digital Library
Author	Madi, M.K. Tahir, H.M. Yusof, Y. Hassan, S.
Copyright Year	2015
Description	Author affiliation: Sch. of Comput., Univ. Utara Malaysia, Sintok, Malaysia (Madi, M.K.; Tahir, H.M.; Yusof, Y.; Hassan, S.)
Abstract	The abstract Data Grid is an infrastructure that manages huge amount of data files, and provides intensive computational resources across geographically distributed collaboration. A key concept in Data Grids is replication of data, whereby multiple copies of data are stored at different geographical locations, making access to data faster and more reliable. However, replication is also bounded by two factors: the size of storage available at different sites within the Data Grid and the bandwidth between these sites. In this paper, we proposed a dynamic replication mechanism termed as Replica Number Mechanism (RNM) that determine the optimal number of replicas to be created or deleted with the aim of minimizing the overall resource usage (network bandwidth and storage usage). OptorSim is used to evaluate the performance of the proposed mechanism. The simulation results show that RNM requires less execution time and consumes less network usage and storage usage compared to existing approaches of Simple Optimizer and LFU (Least Frequently Used).
Starting Page	1
Ending Page	5
File Size	589943
Page Count	5
File Format	PDF
e-ISBN	9781467372077
DOI	10.1109/GAMEPEC.2015.7331846
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-25
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data Grid Heuristic algorithms Distributed databases Bandwidth Organizations Dynamic scheduling Dynamic Replication Batteries Reliability Replica Number Network Usage Storage Usage
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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