On Reliability Model of SCI Interconnections in Avionics System
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摘要: 研究未来航电系统关键协议——SCI(可扩展的一致性接口)的可靠性建模问题.从SCI互连的基本模型出发,提出了基于任务的系统可靠性分析方法,建立了系统的可靠性模型,并针对航电系统中SCI的蝶型互连进行了可靠性分析,指明该方法在航电系统设计阶段对于任务划分和拓扑选择都将起到指导作用.Abstract: The problem of reliability modeling of Scalable Coherent Interface(SCI) protocol, the candidate standard for the future avionics system, is studied. Based on basic SCI interconnection model, a task-based analysis method of system reliability is proposed. A reliability model of SCI interconnection system is developed. The reliability of butterfly interconnection in SCI avionics system is analyzed. Conclusions show that the method has a directive influence on both task division and topology selection in the phase of avionics system design.
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Key words:
- distributed networks /
- reliability /
- network interconnection /
- avionics
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[1] IEEE1596-1992, IEEE standard for scalable coherent interface [S].Piscataway, NJ: IEEE Service Center,1993. [2] Joint advanced strike technology program. Avionics architecture definition . http://ftp.jast.mil, 1994-08-09. [3] 袁由光,陈以农.容错与避错技术及应用[M]. 北京:科学出版社,1992. [4] Sarwar M A .On the performance and reliability of fault-tolerant scalable coherent interface networks . The florida state University, 1999. [5] Tripath C R. Reliability analysis of hypercube multi-computers[J].Microelectron Reliability,1997,37(6):885~891． -
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