节能的以太网编码

Yanpei Chen, T. Wang, R. Katz
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引用次数: 12

摘要

随着数据中心和通信机房对互联网功耗和散热的关注日益增加,网元的能源效率变得越来越突出。以前的工作着眼于节能无线拓扑、网络节点、路由器和协议。在考虑重新设计互联网数据中心以提高能源效率时,我们认为节能编码是值得研究的。在这项工作中,我们重新审视以太网编码的选择,开发相关的能量模型,评估当前的编码,并提出新的编码。我们发现,更简单的编码更节能,最好的编码可以节省20%左右的电力。我们的工作代表了重新审视关于能量的网络堆栈物理层的既定假设和实践的第一步。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energy efficient Ethernet encodings
The energy efficiency of network elements is becoming more prominent, with growing concern for Internet power consumption and heat dissipation in datacenters and communications closets. Previous work has looked at energy efficient wireless topologies, network nodes, routers, and protocols. In considering a fresh redesign of the Internet datacenter for energy efficiency, we believe that energy efficient encodings are worthy of study. In this work, we re-examine the choice of Ethernet encoding, develop an associated energy model, evaluate current encodings, and propose new encodings. We found that simpler encodings are more energy efficient, with power savings of around 20% for the best encoding. Our work represents a first step in re-examining the established assumptions and practices of the PHY level of the network stack with respect to energy.
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