Mobility

Three Layered Hierarchical Fault Tolerance Protocol for Mobile Agent System

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Executive Summary

A Mobile Agent (MA) is autonomous and identifiable software process that travel through a network of heterogeneous machine and act autonomously on behalf of user. Improving the survivability of MA in presence of various faults is the major issue concerns with implementation of MA. During its life cycle, a MA can fail due to some uncaught exception, or due to the failure of the MAS, or its components or the host machine. The MA may also be lost on its way or blocked due to link failure. Since failure occurs at different places due to different reasons, specialized approaches should be used to tolerate different kinds of faults.

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