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首页> 外文期刊>International journal of communication systems >An energy-efficient algorithm based on sleep-scheduling in IP backbone networks
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An energy-efficient algorithm based on sleep-scheduling in IP backbone networks

机译：IP骨干网中基于睡眠调度的节能算法

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This paper relates to the problem of energy conservation in Internet backbone networks. We propose a new Distributed Green Algorithm based on Sleep-scheduling (DGAS) to switch off some network links and nodes resulting in less energy consumption. Our solution does not depend on any centralized controller and uses a link-state protocol like Open Shortest Path First to share required information. In addition, DGAS does not require any knowledge of traffic matrix and switches off network nodes and links in 2 phases. In the first phase, some core nodes are switched off on the basis of their usage in network paths. In the second phase, DGAS starts with a minimal topology on the basis of resulted topology from the first phase and adds some links to it to minimize network paths length. Results, obtained by several real network scenarios, show that DGAS can switch off up to 27% of core nodes and up to 80% of links compared to the maximum number of switchable links.
机译：本文涉及互联网骨干网中的节能问题。我们提出了一种新的基于睡眠调度（DGAS）的分布式绿色算法，以关闭某些网络链路和节点，从而降低了能耗。我们的解决方案不依赖任何集中式控制器，而是使用诸如开放式最短路径优先的链接状态协议来共享所需的信息。此外，DGAS不需要任何流量矩阵知识，并且可以分两个阶段关闭网络节点和链路。在第一阶段，一些核心节点根据其在网络路径中的使用情况被关闭。在第二阶段，DGAS基于第一阶段生成的拓扑从最小拓扑开始，并向其添加一些链接以最小化网络路径长度。通过几个实际网络场景获得的结果表明，与最大可切换链接数相比，DGAS最多可以关闭27％的核心节点和80％的链接。

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