Energy-Efficient Resource Provisioning Algorithms for Optical Clouds

Provided by: Institute of Electrical & Electronic Engineers
Topic: Cloud
Format: PDF
Rising energy costs and climate change have led to an increased concern for Energy-Efficiency (EE). As Information and Communication Technology (ICT) is responsible for about 4% of total energy consumption worldwide, it is essential to devise policies aimed at reducing it. In this paper, the authors propose a routing and scheduling algorithm for a cloud architecture, which targets minimal total energy consumption by enabling switching off unused network and/or Information Technology (IT) resources, exploiting the cloud-specific anycast principle. A detailed energy model for the entire cloud infrastructure comprising wide area optical network and IT resources is provided.

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