计算机科学 ›› 2024, Vol. 51 ›› Issue (3): 289-299.doi: 10.11896/jsjkx.230800103
王玲1, 金子琨2, 吴勇1, 耿海军1,2
WANG Ling1, JIN Zikun2, WU Yong1, GENG Haijun1,2
摘要： 随着信息技术的高速发展,互联网的规模逐渐增大,与此同时,网络的能耗也随之攀升。业界普遍采用关闭利用率较低的链路来降低网络能耗。然而,目前的网络节能方案并不能有效平衡能量节约率、计算开销和路径拉伸度三者之间此消彼长的关系。为了应对上述问题,文中提出了一种基于链路关联度模型的绿色节能路由框架。该框架支持不同的链路关联度模型,仅需要网络拓扑结构,而不需要网路中的实时流量矩阵,更易于在实际网络中部署。基于提出的链路关联度模型的绿色节能路由算法的框架,文中实现了链路行关联度算法LRC(Link Row Correlation)、链路列关联度算法LCC(Link Column Correlation)、链路行-列关联度算法LRCC(Link Row Column Correlation)和链路介数关联度LBC(Link Betweenness Correlation)4种不同的绿色节能路由算法。实验结果表明,在The Internet Topology Zoo公布的真实拓扑和由Brite模拟生成的拓扑中,LRC,LCC,LRCC和LBC的平均能量节约率比DLF算法的平均能量节约率高12.65%和7.17%,且它们的平均路径拉伸度比DLF算法的平均路径拉伸度低3.00%和13.75%。
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