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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1552

Authors: Tinbit, Admassu
Advisors: Prof. Dr. Sayed Nouh
Keywords: agents
mobile agents
malicious host problem
trusted nodes
Copyright: Apr-2008
Date Added: 21-Oct-2008
Publisher: Addis Ababa University
Abstract: Mobile agent technology is a new paradigm of distributed computing, that models well some of services available in the net than other distributed computing approaches. Although this technology has generated considerable excitement in the research community, it has not been translated into a significant number of real-world applications due to a new dimensionality of security problems it brings along with it. Mobile agents are programs that can autonomously migrate from nodes to nodes in a computer network and perform a computation on the behalf of the user. It has a unique ability to transport itself from one system in a network to another. They work in conjunction with a mobile agent platform which provides appropriate execution environment for the mobile agent. This platform needs to be available at each potential host willing to entertain a visiting mobile agent. In this thesis all the background information on the concept of mobile agent is given. The security problem of mobile agent technology is of multidimensional. In this thesis the issue of hostile host towards a visiting agent is given due diligence: Malicious host problem. It is one of the most difficult problems to address. Threats emanating from malicious hosts are identified and a modified mobile agent computing model is proposed to prevent some of the threats. The proposed system design consists of components that provide support to the mobile agent while it is touring hosts in the agent space. It also protects the confidentiality and integrity of parts of the mobile agent.
Description: A thesis submitted to the school of Graduate studies of Addis Ababa University in partial fulfillment of the requirements for the degree of Masters of Science in Computer Engineering
URI: http://hdl.handle.net/123456789/1552
Appears in:Thesis - Computer Engineering

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