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Energies 2016, 9(6), 470; doi:10.3390/en9060470

Lifetime-Aware Cloud Data Centers: Models and Performance Evaluation

1
Department of Information, Electronics and Telecommunications, University of Rome Sapienza, Rome 00185, Italy
2
Department of Information Technology and Software Engineering, School of Engineering, Computer and Mathematical Sciences, Auckland University of Technology, 55 Wellesley Street East, Auckland 1010, New Zealand
*
Author to whom correspondence should be addressed.
Academic Editor: Silvio Simani
Received: 3 March 2016 / Revised: 9 June 2016 / Accepted: 13 June 2016 / Published: 18 June 2016
(This article belongs to the Special Issue Energy-Efficient and Sustainable Networking)
View Full-Text   |   Download PDF [616 KB, uploaded 18 June 2016]   |  

Abstract

We present a model to evaluate the server lifetime in cloud data centers (DCs). In particular, when the server power level is decreased, the failure rate tends to be reduced as a consequence of the limited number of components powered on. However, the variation between the different power states triggers a failure rate increase. We therefore consider these two effects in a server lifetime model, subject to an energy-aware management policy. We then evaluate our model in a realistic case study. Our results show that the impact on the server lifetime is far from negligible. As a consequence, we argue that a lifetime-aware approach should be pursued to decide how and when to apply a power state change to a server. View Full-Text
Keywords: data-centers (DCs); server lifetime models; energy and lifetime trade-off; failure models data-centers (DCs); server lifetime models; energy and lifetime trade-off; failure models
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MDPI and ACS Style

Chiaraviglio, L.; Cianfrani, A.; Listanti, M.; Liu, W.; Polverini, M. Lifetime-Aware Cloud Data Centers: Models and Performance Evaluation. Energies 2016, 9, 470.

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