Research on independent and dynamic fault-tolerant and migration technology for cloud simulation resources

Authors:
Baocun Hou;Xudong Chai;Bohu Li;Tan Li;Yabin Zhang;Zhihui Zhang
Affiliations:
Beijing Simulation Center, Beijing, China;Beijing Simulation Center, Beijing, China;Beijing University of Aeronautics and Astronautics, Beijing, China;Beijing University of Aeronautics and Astronautics, Beijing, China;Beijing University of Aeronautics and Astronautics, Beijing, China;Beijing University of Aeronautics and Astronautics, Beijing, China
Venue:
Proceedings of the 2011 Grand Challenges on Modeling and Simulation Conference
Year:
2011

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Abstract

To solve the fault-tolerant and migration problems of simulation grid applications, the art of related research works is introduced firstly. Then, by adopting reflective software analysis and modeling method, the independent and dynamic fault-tolerant and migration model for simulation resources is proposed. Further more, the research fruits on several related key technologies are presented in detail, which include: to inspect the resources, the loading model is defined and the independent error forecast is achieved; the consistency of the simulation time is ensured by the harmonious advance of the state management of federates and the distributed simulation time management; and the automatic storage and restoring of state is accomplished. The research fruits above have been applied to the development of fault-tolerant and migration service for COSIM-CSP1.0v, and gained well validation in some typical applications. The multidisciplinary, distributed and collaborative simulation application for undercarriage virtual prototype is introduced as an example. Finally the conclusion is given.