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保证速率的AFDX交换机实时调度算法

张勇涛 黄臻 熊华钢

张勇涛, 黄臻, 熊华钢等 . 保证速率的AFDX交换机实时调度算法[J]. 北京航空航天大学学报, 2010, 36(12): 1412-1416.
引用本文: 张勇涛, 黄臻, 熊华钢等 . 保证速率的AFDX交换机实时调度算法[J]. 北京航空航天大学学报, 2010, 36(12): 1412-1416.
Zhang Yongtao, Huang Zhen, Xiong Huaganget al. Real time scheduling algorithm based on rate-guaranteed in AFDX switch[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(12): 1412-1416. (in Chinese)
Citation: Zhang Yongtao, Huang Zhen, Xiong Huaganget al. Real time scheduling algorithm based on rate-guaranteed in AFDX switch[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(12): 1412-1416. (in Chinese)

保证速率的AFDX交换机实时调度算法

详细信息
    作者简介:

    张勇涛(1983-),男,河南濮阳人,博士生,zhangyongtao394@ee.buaa.edu.cn.

  • 中图分类号: TP 393

Real time scheduling algorithm based on rate-guaranteed in AFDX switch

  • 摘要: 针对AFDX(Avionics Full Duplex Switched Ethernet)网络关键技术——交换机实时调度算法,提出一种保证速率的优先级实时调度算法(PRTRG,Priority Real Time scheduling algorithm based on Rate-Guaranteed),并运用网络演算理论分析了此调度算法的实时性.在AFDX网络典型配置下,与(FIFO,First In First Out)结果进行分析对比,证明PRTRG算法有效地减少了高优先级数据的端到端延迟上界,同时保证了低优先级数据端到端延迟的确定性,并且阻止了数据流拥塞的扩散,在交换机内部实现了流量隔离.

     

  • [1] ARINC 664 Aircraft data network,part 1:systems concepts and overview[S] [2] ARINC 664 Aircraft data network,part 2:ethernet physical and data Link layer specification[S] [3] ARINC 664 Aircraft data network,part 7:avionics full duplex switched ethernet (AFDX) Network[S] [4] Boyer M,Fraboul C.Tightening end to end delay upper bound for AFDX network calculus with rate latency FIFO servers using network calculus //IEEE International Workshop on Factory Communication Systems.Dresden:IEEE,2008:11-20 [5] 周强,熊华钢,张晓林,等.AFDX交换机在强实时性条件下的分组调度[J].北京航空航天大学学报,2009,35(4):449-452 Zhou Qiang,Xiong Huagang,Zhang Xiaolin,et al.Packet scheduling for AFDX switch under hard time constraints[J].Journal of Beijing University of Aeronautics and Astronautics,2009,35(4):449-452(in Chinese) [6] ARINC 429 Digital information transfer system (DITS) parts 1,2,3[S] [7] Cruz R.A calculus for network delay,part I:network elements in isolation [J].IEEE Trans Information Theory,1991,37 (1):114-131 [8] Cruz R.A calculus for network delay,part II:network analysis[J].IEEE Trans Information Theory,1991,37(1):132-141 [9] Boudec J-Y L,Thiran P.Network calculus [M].Berlin,Germany:Springer Verlag,LNCS 2050,2004 [10] Scharbarg J-L,Ridouard F,Fraboul C.A probabilistic analysis of end-to-end delays on an AFDX avionic network[J].IEEE Trans Industrial Informatics,2009,5(1):38-49
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出版历程
  • 收稿日期:  2009-11-05
  • 网络出版日期:  2010-12-30

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