A novel data replication and management protocol for mobile computing systems

Abawajy, J. H., Mat Deris, M. and Omar, M. 2006, A novel data replication and management protocol for mobile computing systems, Mobile information systems, vol. 2, no. 1, pp. 3-19.

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Title A novel data replication and management protocol for mobile computing systems
Author(s) Abawajy, J. H.
Mat Deris, M.
Omar, M.
Journal name Mobile information systems
Volume number 2
Issue number 1
Start page 3
End page 19
Publisher IOS Press
Place of publication Amsterdam, The Netherlands
Publication date 2006
ISSN 1574-017X
Summary Mobile computing has enabled users to seamlessly access databases even when they are on the move. Mobile computing environments require data management approaches that are able to provide complete and highly available access to shared data at any time from any where. In this paper, we propose a novel replicated data protocol for achieving such goal. The proposed scheme replicates data synchronously over stationary sites based on three dimensional grid structure while objects in mobile sites are asynchronously replicated based on commonly visited sites for each user. This combination allows the proposed protocol to operate with less than full connectivity, to easily adapt to changes in group membership and not require all sites to agree to update data objects at any given time, thus giving the technique flexibility in mobile environments. The proposed replication technique is compared with a baseline replication technique and shown to exhibit high availability, fault tolerance and minimal access times of the data and services, which are very important in an environment with low-quality communication links.
Language eng
Field of Research 080604 Database Management
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, IOS Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003755

Document type: Journal Article
Collection: School of Engineering and Information Technology
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