A Fault Tolerant Mobile Agent Information Retrieval System | Science Publications

Journal of Computer Science

K. Duraiswamy¹  R. Punithavathi¹ 

关键词: Client-server architecture;    mobile agent;    mobile host;    mobile computing environment;    fault tolerance;    information retrieval system;   

DOI  :  10.3844/jcssp.2010.553.556

学科分类：计算机科学（综合）

来源: Science Publications

【 摘 要 】

Problem statement: Most of the information retrieval systems used only client-server architectures. The client-server model though powerful, had some limitations.In mobile computing environment which has both wired network and wireless networks with limited communication capabilities, the performance of the system was very low. Approach: Mobile agents are considered a suitable technology to develop applications such as information retrieval system for mobile computing environment. Mobileagentsareautonomousanddynamicentitiesthatcanmigrate betweenvariousnodesinthenetwork. Theyoffermany advantagesovertraditionaldesignmethodologieslike:reductioninnetworkload,overcomingnetworklatency and disconnected operations. Since the mobile agents do not need continuous communication with the mobile host, they are not affected by the sudden disconnection of wireless network and the situation of turning mobile host off for power saving. In order to get the complete benefit of mobile agent system, the system must be fault tolerant. In the context of mobile agents, fault-tolerance prevents a partial or complete loss of the agent. Results: Our system in mobile computing environment ensured that the agent arrived at its destination with result and performance of the system improved by the way of reduction in the response time. And also, the system allowed sending more requests by the way of creating many mobile agents without affecting the performance. Conclusion: Our research compared the performance of client-server architecture and fault tolerant mobile agent information retrieval system and proved that our system solved the limitations faced by the client server architecture. The system can also be extended to adhoc networks.

【 授权许可】

Unknown