Ecovisor: A Virtual Energy System for Carbon-Efficient Applications

Souza, Abel; Bashir, Noman; Murillo, Jorge R.; Hanafy, Walid A.; Liang, Qianlin; Irwin, David; Shenoy, Prashant

doi:10.1145/3575693.3575709

Cited by 21 publications

(6 citation statements)

References 10 publications

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“…[18][19][20] This can be achieved through the use of tools such as the Linux traffic control (tc) or more advanced network emulators like NetEm. Souza et al 9 describe a possible API for ecovisors in their paper, which exposes various endpoints for getting information like solar power production, battery state of charge, grid carbon intensity, or the current power usage of containers. Notes: PUT is the equivalent HTTP request method for the SET requests described in this paper.…”

Section: Application-facing Apimentioning

confidence: 99%

“…Souza et al 9 describe a possible API for ecovisors in their paper, which exposes various endpoints for getting information like solar power production, battery state of charge, grid carbon intensity, or the current power usage of containers. On the other hand, the API also exposes endpoints for setting configuration options like the charge rate of an application's virtual battery or power caps for specific containers.…”

Section: Providing Visibility and Control Over The Energy System Simu...mentioning

confidence: 99%

“… Notes : PUT is the equivalent HTTP request method for the SET requests described in this paper. Depending on the possibilities of the underlying computing system and energy system simulation, a full API may consist of more or different endpoints, see the original Ecovisor 9 paper.…”

Section: Providing Visibility and Control Over The Energy System Simu...mentioning

confidence: 99%

“…8 However, research and development on novel interfaces and abstraction layers, as well as carbon-aware applications themselves, remain complex due to the scarcity of available testing environments. For example, Souza et al 9 implemented a hardware testbed to demonstrate the feasibility of their proposed ecovisor which extends to a couple of microservers, each consuming up to 10 W under full CPU and GPU load. Despite this small scale, the testbed is intricately designed and features several expensive components, like a solar array emulator for approximately $10,000.…”

Section: Introductionmentioning

confidence: 99%

“…To enable carbon‐aware applications and systems, we need to design new abstractions and interfaces that provide visibility and control over energy‐related and carbon‐related metrics. A prominent example are the recently proposed ecovisors , 9 which aim to virtualize the energy system: Similar to computer hardware virtualization, each application (which can be anything from a simple process to a set of virtual machines) gets assigned virtual resources like a carbon budget, a share of on‐site produced energy, or a virtual battery. The application must then operate within these constraints.…”

Section: Introductionmentioning

confidence: 99%

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Software‐in‐the‐loop simulation for developing and testing carbon‐aware applications

Wiesner,

Steinke,

Nickel

et al. 2023

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The growing electricity demand of IT infrastructure has raised significant concerns about its carbon footprint. To mitigate the associated emissions of computing systems, current efforts therefore increasingly focus on aligning the power usage of software with the availability of clean energy. To operate, such carbon‐aware applications require visibility and control over relevant metrics and configurations of the energy system. However, research and development of novel energy system abstraction layers and interfaces remain difficult due to the scarcity of available testing environments: Real testbeds are expensive to build and maintain, while existing simulation testbeds are unable to interact with real computing systems. To provide a widely applicable approach for developing and testing carbon‐aware software, we propose a method for integrating real applications into a simulated energy system through software‐in‐the‐loop simulation. The integration offers an API for accessing the energy system, while continuously modeling the computing system's power demand within the simulation. Our system allows for the integration of physical as well as virtual compute nodes, and can help accelerate research on carbon‐aware computing systems in the future.

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Section: Application-facing Apimentioning

confidence: 99%

Section: Providing Visibility and Control Over The Energy System Simu...mentioning

confidence: 99%

Section: Providing Visibility and Control Over The Energy System Simu...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Software‐in‐the‐loop simulation for developing and testing carbon‐aware applications

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Steinke,

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et al. 2023

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Lotaru: Locally predicting workflow task runtimes for resource management on heterogeneous infrastructures

Bader,

Lehmann,

Thamsen

et al. 2024

Future Generation Computer Systems

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Enriching Cloud-native Applications with Sustainability Features

Vitali,

Schmiedmayer,

Bootz

2023

2023 IEEE International Conference on Cloud Engineering (IC2E)

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Due to the ever-growing demand for computational resources, the environmental impact of data centers is continuously increasing. Recently, a great effort has been made to mitigate this impact, while the demand for computational resources has continued to grow. Current mitigation strategies focus on the infrastructure perspective, while the application perspective has been neglected. This paper aims to engage application designers and developers on the path to greener application design. Following the Sustainable Application Design Process (SADP) methodology, we introduce a Sustainable Application Design Architecture (SADA) for enriching cloud-native application components with sustainability features that can be exploited to adapt the application workflow to the environmental context. The architecture enables synergies from design to deployment between all stakeholders involved in the application management. The paper focuses on enriching the application with sustainability features in the design and development phases. We also present and discuss a prototype that can translate designlevel sustainability features into development features.

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Ecovisor: A Virtual Energy System for Carbon-Efficient Applications

Cited by 21 publications

References 10 publications

Software‐in‐the‐loop simulation for developing and testing carbon‐aware applications

Software‐in‐the‐loop simulation for developing and testing carbon‐aware applications

Lotaru: Locally predicting workflow task runtimes for resource management on heterogeneous infrastructures

Enriching Cloud-native Applications with Sustainability Features

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