Using Imprecise Concurrency Control and Speculative Lending of Prepared Data-item in Distributed Real-Time Nested Transactions

Authors:
Majed Abdouli;Laurent Amanton;Bruno Sadeg;Adel Alimi
Affiliations:
Laboratoire d'Informatique du Havre 25, Rue P. Lebon 76058 Le Havre-France;Laboratoire dInformatique du Havre 25, Rue P. Lebon 76058 Le Havre-France;Laboratoire dInformatique du Havre 25, Rue P. Lebon 76058 Le Havre-France;Research Group on Intelligent Machines BP 540 3038 Sfax-Tunisia
Venue:
DS-RT '05 Proceedings of the 9th IEEE International Symposium on Distributed Simulation and Real-Time Applications
Year:
2005

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Abstract

The majority of the studies conducted in scheduling real-time imprecise transactions mostly concentrate on ?at transaction models. In this paper, we apply this technique to distributed real-time nested transaction models. We consider that nested transaction is a collection of both essential and non-essential subtransactions. We propose a realtime Imprecise Concurrency Control Protocol (ICCP) that resolves the con?icts in favor of the essential subtransactions. For the lending of data-item, we have used the