A model for federated data grid systems based on network core area

Data grid technology is developed to permit data sharing and collaboration activities across many organizations in geographically dispersed locations. Due to collaboration activities in distributed data grid, optimising data access is one of the issues that needs to be carefully addressed. The...

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Main Author:	Mohamad, Zarina
Format:	Thesis
Language:	English English English
Published:	2013
Subjects:	QA Mathematics QA76 Computer software
Online Access:	http://eprints.uthm.edu.my/2208/1/24p%20ZARINA%20MOHAMAD.pdf http://eprints.uthm.edu.my/2208/2/ZARINA%20MOHAMAD%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/2208/3/ZARINA%20MOHAMAD%20WATERMARK.pdf
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id	my-uthm-ep.2208
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spelling	my-uthm-ep.22082021-10-31T04:07:03Z A model for federated data grid systems based on network core area 2013-02 Mohamad, Zarina QA Mathematics QA76 Computer software Data grid technology is developed to permit data sharing and collaboration activities across many organizations in geographically dispersed locations. Due to collaboration activities in distributed data grid, optimising data access is one of the issues that needs to be carefully addressed. The process of data access optimisation can be achieved through data replication, where identical copies of data are generated and stored at various globally distributed sites. If the required files are replicated in some site where the job is executed, then the job is able to process data without any communication delay. In this thesis, a model for federation data grid system called Sub-Grid-Federation had been proposed to improve access latency by accessing data from the nearest possible sites. A strategy in optimising data access is based on the process of searching into the area identified as ‘Network Core Area’ (NCA). The proposed system will require access to be initially restricted from within the local site. If the needed data is not found, the system will continue the search from within a bigger scope, known as the local cluster. If the search still failed, the scope of search will continue from within the local sub-grid and other sub-grids consecutively until the data is successfully accessed. The performance of access latency in Sub�Grid-Federation had been tested based on the mathematical proving and simulated using OptorSim simulator. Four case studies had been chosen and tested in Optimal Downloading Replication Strategy (ODRS) and the Sub-Grid-Federation. The results showed that Sub-Grid-Federation is 20% better in terms of access latency and 21% better in terms of reducing remote sites access compared to ODRS. Hence, Sub�Grid-Federation is a better alternative for the implementation of collaboration and data sharing in data grid system. 2013-02 Thesis http://eprints.uthm.edu.my/2208/ http://eprints.uthm.edu.my/2208/1/24p%20ZARINA%20MOHAMAD.pdf text en public http://eprints.uthm.edu.my/2208/2/ZARINA%20MOHAMAD%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/2208/3/ZARINA%20MOHAMAD%20WATERMARK.pdf text en validuser phd doctoral Universiti Tun Hussein Onn Malaysia Fakulti Sains Komputer dan Teknologi Maklumat
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English English English
topic	QA Mathematics QA76 Computer software
spellingShingle	QA Mathematics QA76 Computer software Mohamad, Zarina A model for federated data grid systems based on network core area
description	Data grid technology is developed to permit data sharing and collaboration activities across many organizations in geographically dispersed locations. Due to collaboration activities in distributed data grid, optimising data access is one of the issues that needs to be carefully addressed. The process of data access optimisation can be achieved through data replication, where identical copies of data are generated and stored at various globally distributed sites. If the required files are replicated in some site where the job is executed, then the job is able to process data without any communication delay. In this thesis, a model for federation data grid system called Sub-Grid-Federation had been proposed to improve access latency by accessing data from the nearest possible sites. A strategy in optimising data access is based on the process of searching into the area identified as ‘Network Core Area’ (NCA). The proposed system will require access to be initially restricted from within the local site. If the needed data is not found, the system will continue the search from within a bigger scope, known as the local cluster. If the search still failed, the scope of search will continue from within the local sub-grid and other sub-grids consecutively until the data is successfully accessed. The performance of access latency in Sub�Grid-Federation had been tested based on the mathematical proving and simulated using OptorSim simulator. Four case studies had been chosen and tested in Optimal Downloading Replication Strategy (ODRS) and the Sub-Grid-Federation. The results showed that Sub-Grid-Federation is 20% better in terms of access latency and 21% better in terms of reducing remote sites access compared to ODRS. Hence, Sub�Grid-Federation is a better alternative for the implementation of collaboration and data sharing in data grid system.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Mohamad, Zarina
author_facet	Mohamad, Zarina
author_sort	Mohamad, Zarina
title	A model for federated data grid systems based on network core area
title_short	A model for federated data grid systems based on network core area
title_full	A model for federated data grid systems based on network core area
title_fullStr	A model for federated data grid systems based on network core area
title_full_unstemmed	A model for federated data grid systems based on network core area
title_sort	model for federated data grid systems based on network core area
granting_institution	Universiti Tun Hussein Onn Malaysia
granting_department	Fakulti Sains Komputer dan Teknologi Maklumat
publishDate	2013
url	http://eprints.uthm.edu.my/2208/1/24p%20ZARINA%20MOHAMAD.pdf http://eprints.uthm.edu.my/2208/2/ZARINA%20MOHAMAD%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/2208/3/ZARINA%20MOHAMAD%20WATERMARK.pdf
_version_	1747830925007257600

A model for federated data grid systems based on network core area

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