Assurance allocation technology in distributed database systems by an autonomous mobile agent

C. Perez Leguizamo, K. Mori

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

Recently with the advent of 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 (ADDS) is proposed as a system architecture in order to realize assurance in distributed database systems. In this system architecture, a loosely-consistency management technology is proposed in order to maintain the consistency of the system, each database can update autonomously, and confer the real time property. A background coordination technology, performed by an autonomous mobile agent, is devised to adapt the system to evolving situations. The system can achieve real time by allocating the information in advance among the sites that has different time constraints for updating. Moreover, an assurance information allocation technology is proposed when considering that a failure in the background coordination mechanism may lead to loss of data and unavailability of the system. This mechanism, in which the mobile agent autonomously regulate its own capacity for allocating the information, is proposed based on the real-time property and system's availability considerations. The effectiveness of the proposed architecture and technologies are evaluated by simulation.

本文言語English
ホスト出版物のタイトルProceedings - 2nd International Workshop on Autonomous Decentralized System, IWADS 2002
出版社Institute of Electrical and Electronics Engineers Inc.
ページ61-68
ページ数8
ISBN(印刷版)0780376242, 9780780376243
DOI
出版ステータスPublished - 2002
外部発表はい
イベント2nd International Workshop on Autonomous Decentralized System, IWADS 2002 - Beijing, China
継続期間: 2002 11 62002 11 7

Other

Other2nd International Workshop on Autonomous Decentralized System, IWADS 2002
国/地域China
CityBeijing
Period02/11/602/11/7

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • ハードウェアとアーキテクチャ
  • ソフトウェア

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