Distributed real time database systems: background and literature review |
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Authors: | Udai Shanker Manoj Misra Anil K Sarje |
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Affiliation: | (1) Department of Electronics and Computer Engineering, Indian Institute of Technology, Roorkee, 247667, India;(2) Present address: Department of Computer Science and Engineering, M.M.M. Engineering College, Gorakhpur, 273 010, India |
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Abstract: | Today’s real-time systems (RTS) are characterized by managing large volumes of dispersed data making real-time distributed
data processing a reality. Large business houses need to do distributed processing for many reasons, and they often must do
it in order to stay competitive. So, efficient database management algorithms and protocols for accessing and manipulating
data are required to satisfy timing constraints of supported applications. Therefore, new research in distributed real-time
database systems (DRTDBS) is needed to investigate possible ways of applying database systems technology to real-time systems.
This paper first discusses the performance issues that are important to DRTDBS, and then surveys the research that has been
done so far on the issues like priority assignment policy, commit protocols and optimizing the use of memory in non-replicated/replicated
environment pertaining to distributed real time transaction processing. In fact, this study provides a foundation for addressing
performance issues important for the management of very large real time data and pointer to other publications in journals
and conference proceedings for further investigation of unanswered research questions. |
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Keywords: | Distributed real time commit protocol Distributed transaction processing Priority assignment policy Memory optimization Replication |
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