计算机科学 ›› 2014, Vol. 41 ›› Issue (7): 181-183.doi: 10.11896/j.issn.1002-137X.2014.07.037
孙忱,郭晓惠,范玉顺
SUN Chen,GUO Xiao-hui and FAN Yu-shun
摘要: 网络连接性是评估网络生存能力和网络持续性的关键指标。为了优化网络的连接性,提出了一种基于无线技术的连接性优化策略。该策略利用了无线链路建立时的灵活性。首先对网络进行实时检测和测量,根据这些结果对网络连接性进行量化,当网络连接性低于设定值时,就启动无线链路备份步骤,使用无线备份建立算法来减少备份过程中所需的无线资源。通过采用这两个步骤,该策略为保证网络的连接性尽了最大的努力。仿真结果表明当平均链路故障率约为70%时,所提方案仍然可以保证基本的网络连接性。与现有的有线链路备份机制相比,在相同的网络上下文环境下,所提方案对网络持续性的改善程度要高出7%~9%。
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