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Guaranteeing Global Conflict Serializability in Concurrent Distributed Database Systems using Commitment Ordering

Journal: International Journal of Computer Science and Mobile Computing - IJCSMC (Vol.3, No. 6)

Publication Date:

Authors : ; ;

Page : 700-707

Keywords : Commitment ordering; concurrency control; distributed systems; transaction management; global serialization;

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A distributed database system is a single logical database that is spread physically across computers in multiple locations connected by a data communication network. Transaction management has become a difficult issue in distributed systems. The difficult arises due to transmission of transactions concurrently on the same database without a proper order which has led to global conflicts. Delays between the initiation of transactions and their commitment for an unknown duration is the most common challenge in distributed database systems with client server models. The application of common methods of concurrency controls like Two Phase Locking and optimistic methods in client server models has lead to long blocking duration, high abortions of transactions and increased waiting time of transactions. In this paper a top down approach is presented to ensure proper execution of global transactions across client server systems. The main contribution of this paper is to explore Commitment ordering applicable to distributed systems environment in order to address latency between transactions. A simulation model is developed that will guarantee global serialization of multiple resource managers.

Last modified: 2014-06-29 21:20:32