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The huge energy consumption in data centers produces not only high electricity bill but also tremendous carbon footprints. Although today's servers and data centers of leading internet companies are more energy efficient than ever before, the fluctuations in external workload and internal resource utilization calls for energy proportional computing. Insight into server energy proportionality can help...
This paper addresses energy efficient VNF placement and chaining over NFV enabled infrastructures. VNF placement and chaining are formulated as a decision tree search to overcome this NP-Hard problem complexity. The proposed approach is an extension of the Monte Carlo Tree Search(MCTS) method to achieve energy savings using physical resourceconsolidation and sharing VNFs between multiple tenants....
In the past few years, cloud computing has become one remarkable growing paradigm for offering services through the Internet on many levels. The increasing number of users requires resource provisioning strategy. Virtual machine (VM) placement is one of the keys to assure cloud consolidation and reduce power wastage. To resolve this problem, different approaches were proposed for VM placement strategies...
In the quest for energy efficiency of Information and Communication Technology, so far research has mostly focused on the role of hardware. However, as hardware technology becomes more sophisticated, the role of software becomes crucial. Recently, the impact of software on energy consumption has been acknowledged as significant by researchers in software engineering. In spite of that, measuring the...
An Open Ethernet Drive (OED) is a new technology that encloses into a hard drive (HDD or SSD) a low-power processor, a fixed-size memory and an Ethernet card. In this study, we thoroughly evaluate the performance of such device and the energy requirements to operate it. The results show that first it is a viable solution to offload data-intensive computations on the OED while maintaining a reasonable...
In recent times, the number of mobile Android devices has been growing exponentially not only in the expanding popularity of low-cost mobile devices but also for the great number of functionalities and applications. This new range of features has highlighted the need for greater capacity in mobile batteries to provide an extended time of use. Several studies have been done to minimize the impact on...
The energy consumption in residential has been increased over the past years. Many researches to conserve electrical consumption have been presented. Providing residents with information on their energy consumption has become a feasible option to promote energy saving in residential sector. In this Paper, the electrical energy monitoring systems are designed based on a non-intrusive sensors, Bluetooth...
The main objective of the ParaDIME project has been to minimize energy consumption at all levels of the data center. On the one hand, we have considered what can be achieved on currently existing systems, via improvements of the programming model and the runtime system. On the other hand, we investigated which techniques and design decisions can make future computing nodes more energy efficient. We...
Due to the increased usage of Information and Communication Technology, together with increasing energy costs and the need to reduce greenhouse gas emissions the energy consumption required for cloud computing system need to be reduced. Hence, the energy-efficient technologies that decrease the overall energy consumption of computation, storage and communications in cloud computing have become more...
Current cloud data centers are fully virtualized for service consolidations and power/energy reduction. Although virtualization could reduce real time power and overall energy consumption, the energy characteristics of hypervisors hosting different workloads are not well profiled and understood. In this paper, we investigate the power and energy characteristics of mainstream hypervisors and container...
Power and energy consumption of data centers are steadily increasing and the work performed by the data centers is not proportional to the power dissipated, where every μA is a revenue for the entity. On the one hand, the hardware community is proposing various methodologies to address this issue such as low-power processors, heterogeneity, etc. to reduce the power of the servers. On the other hand,...
The energy consumption of cloud servers has dramatically increased. In order to meet the growing demands of users and reduce the skyrocketing cost of electricity, it is critical to have performance guaranteed and cost-effective job schedulers for clouds. In recent years, there has been a growing body of research which focus on improving resource utilization to improve energy efficiency, system throughput...
Conventional and virtualization-based implementations in operator networks are analyzed based on a realistic use case in terms of cost and energy efficiency. The results show advantages for the virtualization-based solutions as the systems' utilization as a key factor is improved.
Mobile devices dominate a majority of our business and private life. The increasing number of apps and powerful hardware ensure high demand and a growing usage rate. Based on the device sizes, the space for hardware is limited and this fact impacts battery size and, therefore, battery life. Mobile phone vendors look for ways to increase battery life through hardware and software features. This paper...
Nowadays developers and end users of data management systems are challenged with the reduction of the "energy consumption footprint" of existing implementations and configurations. In other words, the energy efficiency has to be optimized, either by increasing the performance or by consuming less resources. In fact, there is a big number of factors that influence the performance and energy...
Energy efficiency of networking equipment has become an important factor for private consumers as well as business customers in the recent years. This trend is driven by two factors: the proliferation of new mobile devices as well as energy prices as cost driver. Battery capacity as well as dynamic distribution of workloads adapted to energy costs are an active field of research. This demo contributes...
During the last few years, we have been witnessing a significant increase in research about the development and production of hardware and software components with low levels of energy consumption. Today, energy consumption is one of the most critical issues in the area of information technologies and communication. One of the fractions in which this concern is most evident is in the management of...
Energy efficiency is a primary concern for the ICTsector. In particular, the widespread adoption of cloud computing technologies has drawn attention to the massive energy consumption of data centers. Although hardware constantly improves with respect to energy efficiency, this should also be a main concern for software. In previous work we analyzed the literature and elicited a set of techniques for...
The use of economical, low-power microservers comprising of embedded CPUs is on the rise in supporting a myriad of applications. State of the art microservers can already match the performance of low-end traditional servers, and have been advocated as an energy-efficient alternative computing substrate for data centers as well. In this paper, we explore whether cluster comprising microservers can...
The relocation of high performance computing systems (HPC) to the cloud poses new challenges for data center architects and IT managers. These challenges are due to heterogeneity injected into data centers by cutting-edge virtualization technologies and hardware accelerators used to support emerging cloud applications and services. Although hardware accelerators like General Purpose Graphics Processing...
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