Enabling Sustainable Clouds: The Case for Virtualizing the Energy System

Enabling Sustainable Clouds: The Case for Virtualizing the Energy System
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实现可持续云:能源系统虚拟化案例

DOI:
10.1145/3472883.3487009
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发表时间:
2021
期刊:
Proceedings of the ACM Symposium on Cloud Computing (SoCC
影响因子:
--
通讯作者:
Wierman, Adam
Wierman, Adam
中科院分区:
--
文献类型:
--
作者:
Bashir, Noman;Guo, Tian;Hajiesmaili, Mohammad;Irwin, David;Shenoy, Prashant;Sitaraman, Ramesh;Souza, Abel;Wierman, Adam

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云平台不断增长的能源需求和碳排放正在引发人们对其环境可持续性的担忧。目前实现可持续云的方法侧重于提高能源效率和购买碳抵消。这些方法有局限性:许多云数据中心已经在接近峰值效率的情况下运行,并且碳抵消无法扩展到接近零碳,在那里几乎没有碳可以抵消。相反,实现可持续的云计算将需要应用程序适应何时何地可获得不可靠的低碳能源。今天的应用程序无法做到这一点,因为它们的能源使用和碳排放对它们来说是不可见的,因为能源系统提供了连续、可靠的能源供应的严格抽象。相反,这份愿景文件倡导一种“碳优先”的云设计方法,将碳效率提升到一个一流的指标。要做到这一点,我们认为云平台应该通过向应用程序公开可见性和软件定义的控制来虚拟化能源系统,使它们能够根据自己的需求定义自己的抽象来管理能源和碳排放。
Cloud platforms' growing energy demand and carbon emissions are raising concern about their environmental sustainability. The current approach to enabling sustainable clouds focuses on improving energy-efficiency and purchasing carbon offsets. These approaches have limits: many cloud data centers already operate near peak efficiency, and carbon offsets cannot scale to near zero carbon where there is little carbon left to offset. Instead, enabling sustainable clouds will require applications to adapt to when and where unreliable low-carbon energy is available. Applications cannot do this today because their energy use and carbon emissions are not visible to them, as the energy system provides the rigid abstraction of a continuous, reliable energy supply. This vision paper instead advocates for a "carbon first" approach to cloud design that elevates carbon-efficiency to a firs--class metric. To do so, we argue that cloud platforms should virtualize the energy system by exposing visibility into, and software-defined control of, it to applications, enabling them to define their own abstractions for managing energy and carbon emissions based on their own requirements.
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