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Related Experiment Video

Updated: Mar 8, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Dynamic Voltage Frequency Scaling Simulator for Real Workflows Energy-Aware Management in Green Cloud Computing.

Iván Tomás Cotes-Ruiz¹, Rocío P Prado¹, Sebastián García-Galán¹

¹Telecommunication Engineering Department, University of Jaén, Science and Technology Campus, Linares, Spain.

|January 14, 2017

Summary

This study introduces an enhanced WorkflowSim simulator for energy-efficient data centers. It optimizes workflow management using Dynamic Voltage Frequency Scaling (DVFS) for significant power and time savings.

Related Experiment Videos

Last Updated: Mar 8, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Area of Science:

Cloud computing
Data center sustainability
Scientific workflow management

Background:

Growing computational demands require energy-efficient data centers for sustainability and profitability.
Effective resource management and workload adaptation are crucial for energy-aware data centers.
Managing energy consumption in scientific workflows remains a challenge.

Purpose of the Study:

To present a power-aware extension of the WorkflowSim simulator.
To enable optimization of energy-saving strategies in data centers.
To integrate Dynamic Voltage Frequency Scaling (DVFS) for intra-host energy saving.

Main Methods:

Developed a power model incorporating computing and communication costs.
Integrated a wide range of DVFS governors for energy management.
Extended WorkflowSim to simulate energy-aware workflow processing.

Main Results:

Demonstrated the simulator's validity in resource utilization, frequency/voltage scaling, and power/energy/time savings.
Evaluated the effectiveness of intra-host DVFS strategies with different governors.
Compared intra-host DVFS with inter-host DVFS scheduling strategies.

Conclusions:

The enhanced WorkflowSim effectively simulates and optimizes energy-saving strategies for scientific workflows.
Intra-host DVFS, with various governors, shows significant potential for data center energy efficiency.
The tool facilitates research into advanced energy management techniques for cloud computing environments.