Abstract
The improved Byzantine fault tolerance algorithm has been applied to the full digital simulation environment of the China Space Station, achieving a full digital simulation platform that supports multi-processor fault-tolerant for the first time. Based on special needs of China Space Station’s multi-processor architecture, 3 key technologies have been implemented: Firstly, improve the classic Byzantine fault-tolerant algorithm to achieve multi-processor fault-tolerance, even if dual-processor failures occur during the operation of 4 processors, the system can still run safely and stably; Secondly, “Process + Shared Memory” is used to realize the unified management and isolation of data, avoiding the problems of data mutual exclusion and low transmission efficiency in multi-processor simulation; Thirdly, based on the characteristics of data exchange, a new synchronization method has been designed to solve the problem of multi-processor synchronization under fault-tolerant architecture. Ultimately, Implemented a fully digital simulation platform under a multi-processor fault-tolerant architecture of China Space Station, get rid of hardware dependencies. Finally, the application effectiveness of simulation platform is introduced.
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This work is supported by the National Natural Science Foundation of China (62192730, 62192735,U21B2015).
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Wang, J., Li, J., Yu, H., Li, X., Zhong, R., Dong, X. (2024). Research and Application of Multi-processor Fault-Tolerant Algorithms for China Space Station Full Digital Simulation Platform. In: Wang, Y., Zou, J., Xu, L., Ling, Z., Cheng, X. (eds) Signal and Information Processing, Networking and Computers. ICSINC 2023. Lecture Notes in Electrical Engineering, vol 1187. Springer, Singapore. https://doi.org/10.1007/978-981-97-2120-7_25
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DOI: https://doi.org/10.1007/978-981-97-2120-7_25
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