Transparent on-demand co-allocation data access for grids

Po Cheng Chen; Jyh Biau Chang; Yi Sheng Lin; Ce Kuen Shieh; Yi Chang Zhuang

doi:10.1504/IJAHUC.2010.032997

Transparent on-demand co-allocation data access for grids

Po Cheng Chen, Jyh Biau Chang, Yi Sheng Lin, Ce Kuen Shieh, Yi Chang Zhuang

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

This paper presents a data sharing system called On-Demand data Co-Allocation (ODCA). ODCA integrates the advantages of the co-allocation concepts with the conventional on-demand data access scheme. It transfers the necessary file fragments from multiple data sources only when the application demands, thereby reducing data transmission time, wasted network bandwidth and required storage space. Moreover, it facilitates legacy applications to transparently access distributed grid data by using the native I/O system calls. The experimental results indicate that ODCA achieves superior performance in the turnaround time of data-intensive applications than the pre-staging and the on-demand access schemes.

Original language	English
Pages (from-to)	227-234
Number of pages	8
Journal	International Journal of Ad Hoc and Ubiquitous Computing
Volume	5
Issue number	4
DOIs	https://doi.org/10.1504/IJAHUC.2010.032997
Publication status	Published - 2010 May

All Science Journal Classification (ASJC) codes

Software
Hardware and Architecture
Computer Networks and Communications

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abstract = "This paper presents a data sharing system called On-Demand data Co-Allocation (ODCA). ODCA integrates the advantages of the co-allocation concepts with the conventional on-demand data access scheme. It transfers the necessary file fragments from multiple data sources only when the application demands, thereby reducing data transmission time, wasted network bandwidth and required storage space. Moreover, it facilitates legacy applications to transparently access distributed grid data by using the native I/O system calls. The experimental results indicate that ODCA achieves superior performance in the turnaround time of data-intensive applications than the pre-staging and the on-demand access schemes.",

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