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In recent years, power saving problem has become more and more important in many fields and attracted a lot of research interests. In this paper, the authors consider the power saving problem in the virtualized computing system. Since there are multiple objectives in the system as well as many factors influencing the objectives, the problem is complex and hard. The authors will formulate the problem...
MapReduce is an emerging program model in large-scale parallel applications while virtual machine environments are basic computing units in cloud computing. With advantages of these two rising technologies, we can build up a convenient parallel programming environment and make effective use of system resources in cloud computing. In this paper, we describe the effects of different virtualization technologies...
Multi-core virtualization platforms has been the basic infrastructure for data center for which Green computing and cloud computing are the most significant trends. Most servers don't have build-in power measurement sensors in modern data center. Besides, even if the total server power can be measured in real time VM(virtual machine) power cannot be measured purely by any power sensor. A suitable...
Multi-core virtualization platform is an essential basement of modern computing environment including server consolidation and cloud computing. However hidden contention for physical resources between different workloads always causes serious performance interference and thus reduces system performance and efficiency. In order to address this issue, we exploit the possibility of scheduling virtual...
In the area of system architecture, there are two most significant trends: multi-core and system virtualization technology. Both of them have quite close relationship with energy efficient computing. Industry turns to integrate more cores on a single chip instead of increasing frequency to solve the heat problem. Meanwhile system virtualization could decrease the total power consumption by sharing...
Safety-critical systems have to work correctly and meet time constraints even in the presence of faults. Hardware fault-tolerant technology can provide a high level of reliability, but custom-designed hardware and operating system are too costly to be accepted by most common applications. At present, some research works about hot-spare fault-tolerant systems based on virtualization technology have...
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