Jin Gon Shon

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—This paper proposes a restoration scheme based on mobility learning and prediction in the presence of the failure of mobility databases in personal communication systems (PCSs). In PCSs, mobility databases must maintain the current location information of users to provide a fast connection for them. However, the malfunction of mobility databases may cause(More)
Fault tolerance is essential to the development of reliable mobile agent system in order to guarantee continuous execution of mobile agents. For this purpose, some previous works have proposed fault tolerant protocols for mobile agent execution based on stage construction. However, when previous protocols are applied to a multi-region mobile agent computing(More)
Resource sharing computing is a project that realizes high performance computing by utilizing the resources of peers that are connected to the Internet. Resource sharing computing provides a dynamic internet environment where peers can freely participate, but it raises questions on the reliability of operation processing. Existing resource sharing computing(More)