Abstract

Real time transaction (RTT) management poses a new challenge in the design of replicated distributed real time database system (RDRTDBS). Existing replication protocols maintain only the mutual consistency between replicated data objects and lack to support the RTT management. This paper explores different scenarios of interaction between coordinator, cohorts & updaters and proposes measures to be taken for each scenario such that performances of the system get improved and at the same time mutual consistency can also be maintained. Additionally, a strict consistency criterion has also been followed to prevent the user from accessing the inconsistent value. This proposed work increases performance in terms of availability, scalability and reliability with respect to other replication protocols.

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