Simulation models of two-phase locking of distributed transactions

Authors:
Svetlana Vasileva;Aleksandar Milev
Affiliations:
Dobrich, University of Shumen;University of Shumen
Venue:
CompSysTech '08 Proceedings of the 9th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing
Year:
2008

Citing 5
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Abstract

The paper suggests simulation models of concurrency control of global transactions in Distributed Database Management Systems. We consider mainly concurrency control according to the method of Two-phase locking (2PL). We present simulation models of 2PL in Distributed databases (DDB), which are developed in the environment for imitation modeling GPSS World. Queuing systems models modeling the execution of 2PL in DDB with Data replication are presented: centralized 2PL, primary copy 2PL and distributed 2PL. Some results of the simulations of 2PL in DDB are presented.