内容交付架构之间的能量权衡

A. Feldmann, A. Gladisch, M. Kind, C. Lange, Georgios Smaragdakis, F. Westphal
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引用次数: 55

摘要

考虑如何使用点对点(P2P)范式将各种家庭设备(如机顶盒)合并到内容交付体系结构中是很有必要的。希望是提高内容交付的效率,例如,在可靠性、可用性、吞吐量方面,或者降低内容交付平台的成本,或者改善最终用户体验。虽然指出这些建议的好处很容易,但他们通常没有考虑到能源成本方面的影响。在本文中,我们通过构建在互联网电视(IPTV)背景下开发的传输网络和数据中心的能源消耗模型,探讨了此类P2P体系结构、数据中心体系结构和内容分发网络(cdn)的能源权衡。我们的结果表明,在一个ISP内的CDN能够最小化总体功耗。虽然P2P体系结构可以减少服务提供商的功耗,但它增加了总体能耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energy trade-offs among content delivery architectures
It is envogue to consider how to incorporate various home devices such as set-top boxes into content delivery architectures using the Peer-to-Peer (P2P) paradigm. The hope is to enhance the efficienc of content delivery, e.g., in terms of reliability, availability, throughput, or to reduce the cost of the content delivery platform or to improve the end user experience. While it is easy to point out the benefit of such proposals they usually do not consider the implications with regards to the energy costs. In this paper we explore the energy trade-offs of such P2P architectures, data center architectures, and content distribution networks (CDNs) by building upon an energy consumption model of the transport network and datacenters developed in the context of Internet TV (IPTV). Our results show that a CDN within an ISP is able to minimize the overall power consumption. While a P2P architecture may reduce the power consumption of the service provider it increases the overall energy consumption.
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