计算机科学 ›› 2017, Vol. 44 ›› Issue (6): 68-74.doi: 10.11896/j.issn.1002-137X.2017.06.011
黄鸿,虞红芳
HUANG Hong and YU Hong-fang
摘要： 针对目前网络级节能方案中存在的链路状态切换频繁的问题,提出了一种平滑的基于链路排序的启发式节能算法。该算法使用了一种新的排序机制,使得连续两次节能策略下的链路状态切换尽可能小,以达到平滑的目的。此外,该算法还综合考查了线卡能耗与链路能耗,以获得更高的节能效率。仿真实验表明,与一种基于链路排序的贪心节能算法相比,该算法链路状态切换频率更小,且节能效率更高；与追求最优节能效率的greenTE算法相比,在节能效率相差不大的情况下,该方法具有更好的平滑性以及更低的时间复杂度。
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