Staff View: A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems

A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems

An important challenge to database researchers in mobile computing environments is to provide a data replication solution that maintains the consistency of replicated data. The paper addresses this problem for large scale mobile distributed database systems. Our solution re...

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Main Authors:	Ahmed , Ashraf, Dominic, P.D.D., Azween, Abdullah
Format:	Article
Published:	School of Engineering. Taylor’s University 2011
Subjects:	QA75 Electronic computers. Computer science
Online Access:	http://eprints.utp.edu.my/6334/1/A%20NOVEL%20REPLICATION%20STRATEGY%20FOR%20LARGE-SCALE.pdf http://jestec.taylors.edu.my/ http://eprints.utp.edu.my/6334/
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id	my.utp.eprints.6334
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spelling	my.utp.eprints.63342014-03-31T20:14:13Z A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems Ahmed , Ashraf Dominic, P.D.D. Azween, Abdullah QA75 Electronic computers. Computer science An important challenge to database researchers in mobile computing environments is to provide a data replication solution that maintains the consistency of replicated data. The paper addresses this problem for large scale mobile distributed database systems. Our solution represents a new binary hybrid replication strategy in terms of its components and approach. The new strategy encompasses two components: replication architecture to provide a solid infrastructure for distributing replicas and updates propagation protocol to propagate recent updates between the components of the replication architecture in a manner that achieves the consistency of data. The new strategy is a hybrid of both pessimistic and optimistic replication approaches in order to exploit the features of each. These features are supporting large number of replicas and lower rate of inconsistencies between them as well as supporting the mobility of users. The proposed replication strategy is compared with a baseline replication strategy and shown that it achieves updates propagation delay reduction, less communication cost, and load balance as important requirements for maintaining consistency in large scale environments with large number of replicas and highly mobile users. School of Engineering. Taylor’s University 2011 Article NonPeerReviewed application/zip http://eprints.utp.edu.my/6334/1/A%20NOVEL%20REPLICATION%20STRATEGY%20FOR%20LARGE-SCALE.pdf http://jestec.taylors.edu.my/ Ahmed , Ashraf and Dominic, P.D.D. and Azween, Abdullah (2011) A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems. Journal of Engineering Science and Technology, 6 (3). 268 -299. ISSN 1823-4690 http://eprints.utp.edu.my/6334/
institution	Universiti Teknologi Petronas
building	UTP Resource Centre
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Petronas
content_source	UTP Institutional Repository
url_provider	http://eprints.utp.edu.my/
topic	QA75 Electronic computers. Computer science
spellingShingle	QA75 Electronic computers. Computer science Ahmed , Ashraf Dominic, P.D.D. Azween, Abdullah A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems
description	An important challenge to database researchers in mobile computing environments is to provide a data replication solution that maintains the consistency of replicated data. The paper addresses this problem for large scale mobile distributed database systems. Our solution represents a new binary hybrid replication strategy in terms of its components and approach. The new strategy encompasses two components: replication architecture to provide a solid infrastructure for distributing replicas and updates propagation protocol to propagate recent updates between the components of the replication architecture in a manner that achieves the consistency of data. The new strategy is a hybrid of both pessimistic and optimistic replication approaches in order to exploit the features of each. These features are supporting large number of replicas and lower rate of inconsistencies between them as well as supporting the mobility of users. The proposed replication strategy is compared with a baseline replication strategy and shown that it achieves updates propagation delay reduction, less communication cost, and load balance as important requirements for maintaining consistency in large scale environments with large number of replicas and highly mobile users.
format	Article
author	Ahmed , Ashraf Dominic, P.D.D. Azween, Abdullah
author_facet	Ahmed , Ashraf Dominic, P.D.D. Azween, Abdullah
author_sort	Ahmed , Ashraf
title	A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems
title_short	A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems
title_full	A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems
title_fullStr	A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems
title_full_unstemmed	A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems
title_sort	novel replication strategy for large-scale mobile distributed database systems
publisher	School of Engineering. Taylor’s University
publishDate	2011
url	http://eprints.utp.edu.my/6334/1/A%20NOVEL%20REPLICATION%20STRATEGY%20FOR%20LARGE-SCALE.pdf http://jestec.taylors.edu.my/ http://eprints.utp.edu.my/6334/
_version_	1738655479701176320
score	13.211869

A Novel Replication Strategy for Large-scale Mobile Distributed Database Systems

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