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Volume 38 Issue 12
Dec.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  38(12): 1587-1590,1595.
Liu Cheng, Li Hang, He Feng, et al. Routing algorithm of AFDX network based on trajectory approach[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(12): 1587-1590,1595. (in Chinese)
Citation: Liu Cheng, Li Hang, He Feng, et al. Routing algorithm of AFDX network based on trajectory approach[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(12): 1587-1590,1595. (in Chinese)
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Routing algorithm of AFDX network based on trajectory approach

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 08 Sep 2011
  • Publish Date: 30 Dec 2012
    Abstract
  • Static routing algorithm of virtual link (VL) is a key technique in avionics full duplex switched Ethernet (AFDX). A VLs’ static routing algorithm based on the trajectory approach was proposed for the real time demand of VLs. This algorithm gets each VL’s delay limit ratio first, and then configures VLs in accordance with the size of VLs’ delay limit ratio (from large to small) with the help of the corollary from the trajectory approach. This algorithm was compared to the minimum hops algorithm and the load balance algorithm in a typical configuration of AFDX. The result of the simulation shows that the minimum hops algorithm uses the least network resource, the load balance algorithm make the network flow balanced, but only this algorithm makes all the VLs’ maximum delay up to their limit.

     

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