Journal
CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE
Volume 23, Issue 13, Pages 1491-1505Publisher
WILEY
DOI: 10.1002/cpe.1712
Keywords
cloud computing; real-time services; energy-efficient computing; green data centers
Funding
- Ministry of Public Safety & Security (MPSS), Republic of Korea [C1090-1131-0007] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Reducing power consumption has been an essential requirement for Cloud resource providers not only to decrease operating costs, but also to improve the system reliability. As Cloud computing becomes emergent for the Anything as a Service (XaaS) paradigm, modern real-time services also become available through Cloud computing. In this work, we investigate power-aware provisioning of virtual machines for real-time services. Our approach is (i) to model a real-time service as a real-time virtual machine request; and (ii) to provision virtual machines in Cloud data centers using dynamic voltage frequency scaling schemes. We propose several schemes to reduce power consumption by hard real-time services and power-aware profitable provisioning of soft real-time services. Copyright (C) 2011 John Wiley & Sons, Ltd.
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