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http://dx.doi.org/10.13089/JKIISC.2003.13.6.77

Design of Fault-tolerant MA Migration Scheme based on Encrypted Checkpoints  

김구수 (성균관대학교 정보통신공학부)
엄영익 (성균관대학교 정보통신공학부)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.13, no.6, 2003 , pp. 77-84 More about this Journal
Abstract
A mobile agent is a program which represents a user in a network and is capable of migrating from one node to another node, performing computations on behalf of the user. In this paper, we suggest a scheme that can safely recover mobile agent using the checkpoint that is saved at the platform that it visited previously and restart its execution from the abnormal termination point of the mobile agent. For security, mobile agent uses its public key to encrypt the checkpoint and the home platform uses the private key of the mobile agent to decrypt the encrypted checkpoints at the recovery stage. When home platform receives the checkpoint of the mobile agent, home platform verifies the checkpoint using message digest. Home platform verifies the correctness of the checkpoint by comparing the message digest generated at checkpoint mention time with the message digest generated at mobile agent recovery time.
Keywords
이동 에이전트;이주;결함 허용성;체크 포인트;
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