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Fault-Tolerant Execution of Collaborating Mobile Agents
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/11/01
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Reliability, Maintainability and Safety Analysis
checkpointing, fault-tolerant system, multi-agent system, mobile agent system, replication,
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Fault-tolerant execution of a mobile agent is an important design issue to build a reliable mobile agent system. Several fault-tolerant schemes for a single agent system have been proposed, however, there has been little research result on the multi-agent system. For the cooperating mobile agents, fault-tolerant schemes should consider the inter-agent dependency as well as the mobility; and try to localize the effect of a failure. In this paper, we investigate properties of inter-agent dependency and agent mobility; and then characterize rollback propagation caused by the dependency and the mobility. We then suggest some schemes to localize rollback propagation.