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Autonomous coordination in the information allocation in distributed database systems for assurance

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2 Author(s)
Leguizamo, C.P. ; Dept. of Comput. Sci., Tokyo Inst. of Technol., Japan ; Mori, K.

Recently with the advent of the IT and the wide spread use of the Internet, new user oriented production and logistic systems, such as the Supply Chain Management System, have been required in order to cope with the drastic and continuous changes on the markets and users' preferences. Therefore, heterogeneous database systems need to be integrated in a common environment which can cope effectively with the heterogeneous requirements of each company under an ever-evolving changing environment. That is assurance. Autonomous Decentralized Database System has been proposed in the background of e-business to achieve assurance in dynamic business critical applications. A loose consistency management technology confers autonomy to each site for updating while maintaining the consistency of the whole system. Moreover, a background coordination technology, by utilizing a mobile agent, has been devised to permit the sites can coordinate and cooperate each other while conferring the online property. The failure of transactions in the coordination process, however, may lead to loss of data and unavailability of the system. Therefore, an assurance information allocation technology by an autonomous mobile agent, in this background, is proposed based on the real-time and system's availability considerations. The effectiveness of the proposed technology is evaluated by simulation.

Published in:

Distributed Computing Systems, 2003. FTDCS 2003. Proceedings. The Ninth IEEE Workshop on Future Trends of

Date of Conference:

28-30 May 2003