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Energetic Data Center Design Considering Energy Efficiency Improvements During Operation

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Part of the Service Science: Research and Innovations in the Service Economy book series (SSRI)

Abstract

Designing a modern data center is not only an engineer’s challenge, but also always a try to predict the future. A data center must provide resources to operate the current state of applications, but it must also provide additional potential for upcoming tasks and requirements. Applications, their demands and the technology of servers change rapidly. However, data center infrastructure, which is costly to acquire, has a much slower cycle of renewal. Hence, these devices, mainly power supply and cooling, must be able to fulfil future requirements. But overestimating demands and provisioning these devices by unrealistic loads may lead to serious energy wasting. During the last years several power saving techniques have evolved that allow data centers to save energy and costs during operation. However, these techniques may be significantly enhanced by considering them during the data center design process and also when hardware device updates are planned. To combine the power saving techniques with an intelligent design method, the following questions need to be answered first: Which energetic interdependencies exist in the data center in terms of electrical and thermal energy? How can these be controlled, regulated and systematically exploited to save energy and still preserve future potential? Therefore, this chapter will provide some basic information about data center energy flow and interdependencies. Based on this, an improved data center design method is presented that does not deviate too much from existing approaches, but enables significant power savings by following only a few new design choices. It is analyzed in what data center usage concepts the proposed energetic improvements may be used and how they can be exploited during operation. A special focus is placed on the combination of server consolidation strategies with improvements of the cooling infrastructure. But these can only be fully exploited if the described design methods and improvements are implemented.

Keywords

Data center Energetic optimization Power usage Cooling chain Dynamic load and power management 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Smart Resource IntegrationOFFIS Institute for Information TechnologyOldenburgGermany
  2. 2.Department of InformaticsCarl von Ossietzky University OldenburgOldenburgGermany

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