Jingan Xu

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Latency during handoffs affects the service quality of real-time applications. This paper describes the Mobile IP Fast Authentication protocol (MIFA) and introduces a simple analytical performance model to evaluate this protocol compared to Mobile IP (MIP) and Hierarchical Mobile IP (HMIP). Our performance study shows that the handoff latency of MIFA is(More)
Latency during handoffs affects the service quality of real-time applications, therefore the developing of mobility management protocols is a major challenge in the wireless network. In this paper we propose a fast and smooth handoff scheme called MIFA (Mobile IP Fast Authentication protocol), which reduces the latency of re-authentication and(More)
This paper describes our experience in using coordinated atomic (CA) actions as a system structuring tool to design and validate a sophisticated control system for a complex industrial application that has high reliability and safety requirements. Our study is based on an extended production cell model, the specification and simulator for which were defined(More)
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