路径感知网络中的碳感知全局路由

Seyedali Tabaeiaghdaei, Simon Scherrer, Jonghoon Kwon, A. Perrig
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引用次数: 1

摘要

信息和通信技术(ICT)日益增长的能源消耗引起了人们对其环境影响的关注。然而,迄今为止,互联网上数据传输的碳足迹得到的关注相对较少。这种碳足迹可以通过在碳效率高的域间路径上发送流量来减少。然而,在域间路径的碳强度估算和传播方面的挑战阻碍了碳意识路径选择的实现。在本文中,我们利用路径感知网络架构来克服这些挑战。特别是,我们设计了CIRo,一个预测域间路径的碳强度并在互联网上传播的系统。我们在SCION路径感知互联网架构的代码库上实现了CIRo的概念验证,并在SCIONLab全球研究测试平台上进行了测试。此外,通过大规模模拟,我们证明了CIRo在减少端点和端域碳足迹方面的潜力:使用CIRo,一半的域对可以将其域间流量的碳强度降低至少47%,87%的端域可以将其互联网使用的碳足迹降低至少50%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Carbon-Aware Global Routing in Path-Aware Networks
The growing energy consumption of Information and Communication Technology (ICT) has raised concerns about its environmental impact. However, the carbon footprint of data transmission over the Internet has so far received relatively modest attention. This carbon footprint can be reduced by sending traffic over carbon-efficient inter-domain paths. However, challenges in estimating and disseminating carbon intensity of inter-domain paths have prevented carbon-aware path selection from becoming a reality. In this paper, we take advantage of path-aware network architectures to overcome these challenges. In particular, we design CIRo, a system for forecasting the carbon intensity of inter-domain paths and disseminating them across the Internet. We implement a proof of concept for CIRo on the codebase of the SCION path-aware Internet architecture and test it on the SCIONLab global research testbed. Further, through large-scale simulations, we demonstrate the potential of CIRo for reducing the carbon footprint of endpoints and end domains: With CIRo, half of domain pairs can reduce the carbon intensity of their inter-domain traffic by at least 47%, and 87% of end domains can reduce their carbon footprint of Internet use by at least 50%.
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