计算机科学 ›› 2016, Vol. 43 ›› Issue (8): 45-49.doi: 10.11896/j.issn.1002-137X.2016.08.009
张新有,魏俊超
ZHANG Xin-you and WEI Jun-chao
摘要： 对基于ARCNET网络协议的列车控制网络的特点进行了分析。针对ARCNET协议在列车控制网络中的不足,即节点的退出会引起较长的网络重构时延,提出了一种新的令牌传递的机制,即双地址令牌传递(Double Address Token Passing,DATP)。节点使用两个下一跳节点代替原来的一个下一跳节点,从而避免了节点退出网络时带来的后继节点难以快速查找的缺点。分析及仿真结果表明,该机制在保持原有网络优点的同时,提高了网络令牌传递效率,增加了系统吞吐量,从而改进了列车控制网络的性能。
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