Benefits of Green Energy and Proportionality in High Speed Wide Area Networks Connecting Data Centers

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Provided by: European Design and Automation Association
Topic: Big Data
Format: PDF
Many companies deploy multiple data centers across the globe to satisfy the dramatically increased computational demand. Wide area connectivity between such geographically distributed data centers has an important role to ensure both the quality of service, and, as bandwidths increase to 100Gbps and beyond, as an efficient way to dynamically distribute the computation. The energy cost of data transmission is dominated by the router power consumption, which is unfortunately not energy proportional. In this paper, the authors not only quantify the performance benefits of leveraging the network to run more jobs, but also analyze its energy impact.
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