Mobile Agents for Distributed Transactions of a Distributed Heterogeneous Database System

  • D.Y. Ye
  • M.C. Lee
  • T.I. Wang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2453)


A Distributed Heterogeneous Database System (DHDBS) is constituted of different kinds of autonomous databases connected to the network. A distributed transaction in such a system involves many subtransactions and data movements among database sites. For the time being, most of the commercial database products implement their distributed transactions using the traditional client/server model that is suffering from enormous data movements. This paper proposes a new distributed transaction model which uses mobile agent technology to reduce data trafics in distributed transactions. The idea is backed by the well-known characteristics, such as mobility, autonomy, and concurrency, of mobile agents in supporting distributed computations. The aim is to boost the performance of distributed transactions of a heterogeneous database system in a loosely coupled environment (such as the Internet). An procedure is designed for distributed query decomposition. Some principles are observed for the path planning of a mobile agent roaming the network to carry out various sub-transactions.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • D.Y. Ye
    • 1
  • M.C. Lee
    • 1
  • T.I. Wang
    • 1
  1. 1.Laboratory of Intelligent Network Applications Department of Engineering ScienceNational Cheng Kung UniversityTaiwan

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