Transactional agent model for fault-tolerant object systems

  • Authors:

  • Tomoaki Kaneda;Youhei Tanaka;Tomoya Enokido;Makoto Takizawa

  • Affiliations:

  • Tokyo Denki University, Japan;Tokyo Denki University, Japan;Tokyo Denki University, Japan;Tokyo Denki University, Japan

  • Venue:
  • Proceedings of the 2005 ACM symposium on Applied computing
  • Year:
  • 2005

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Abstract

A transactional agent is a mobile agent which manipulates objects in multiple computers by autonomously finding a way to visit the computers. The transactional agent commits only if its commitment condition like atomicity is satisfied in presence of faults of computers. On leaving a computer, an agent creates a surrogate agent which holds objects manipulated. A surrogate can recreate a new incarnation of the agent if the agent itself is faulty. If a destination computer is faulty, the transactional agent finds another operational computer to visit. After visiting computers, a transactional agent makes a destination on commitment according to its commitment condition. We discuss design and implementation of the transactional agent which is tolerant of computer faults.