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Energy consumption of data centers has been in-creasing continuously during the last years due to rising demands of computational power especially in current Grid- and Cloud-Computing systems. One promising approach of reducing this energy consumption is the consolidation of servers by virtualization. Many low loaded computer systems are virtualized and run on few physical servers for reducing the...
As energy efficiency and associated costs become key concerns, consolidated and virtualized data centers and clouds are attractive computing platforms for data- and compute- intensive applications. These platforms provide an abstraction of nearly-unlimited computing resources through the elastic use of pools of consolidated resources, and provide opportunities for higher utilization and energy savings...
The following topics are dealt with: green computing; Internet services & clouds; scheduling; potpourri; power measurement & modeling; disks/storage; data & HPC centers; GPU processing & cluster computing; grid and cloud computing; mobile devices; embedded systems; integrated circuits & processors; and low power system on chip.
With the rapid development of university informatization, the importance and complexity of data center construction are gradually increasing, by applying cloud computing technology and centralized way, which will provide convenient, safe, high availability, flexible IT resources services for the college, thus effectively utilize resources, increase service capacity and service level of data center.
Server utilization is typically low (10%-30%) in today's datacenters (or clouds), especially when executing computational jobs with deadlines. Previous studies have shown that it is difficult to improve utilization above 20% without significantly increasing the failure rate of job execution. It is still unknown how to increase utilization while maintaining a low (e.g., 1-5%) failure rate. To solve...
Computing is being transformed to a model consisting of services that are commoditised and delivered in a manner similar to utilities such as water, electricity, gas, and telephony. In such a model, users access services based on their requirements without regard to where the services are hosted. Several computing paradigms have promised to deliver this utility computing vision and they include Grid...
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