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DSTP-AN: A Distributed System for Transaction Processing Based on Data Resource Migration in ATM Networks

PREM CHANDRA SAXENA - D. ROY CHOUDHURY - GOLDIE GABRANI

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Rok, strany / Year, pages: 2004, 255-285

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Publikované / Published: 0000-00-00

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Popis / Abstract:

The dynamic migration of data resources has become a strong tool for transaction processing in broadband networks such as ATM. In this paper, a distributed system that takes advantage of data resource migration for transaction processing in ATM networks has been proposed. The proposed system provides mechanisms to select the transaction processing method, to migrate data resources in a way that reduces the time delay and message traffic in locating and accessing them. The first mechanism selects one of the two transaction processing methods: the traditional method that uses two phase commit protocol and other new method based on data resource migration. The second mechanism attempts to improve performance by making each site follow a local policy for directing requests to locate and access data resources as well as migrating them through the system. For this, a new scheme that focuses on reducing the time delay and message traffic needed to access the migratory data resources is proposed. The performance of the proposed scheme has also been evaluated and compared with one of the existing schemes by a simulation study under different system parameters such as frequency of access to the data resources, frequency of data resource migrations, scale of network, etc.

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Kľúčové slová / Keywords:

ATM networks, data resource, migration, trtansaction processing

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