نتایج جستجو برای: cloud datacenter

تعداد نتایج: 87122  

2014
Pooja Chauhan Manjeet Gupta

The increasing demand of cloud infrastructure has severely increased the energy consumption of datacenters, which has become a critical issue. High energy consumption not only results in high operational costs, but also leads to high CO2 emissions which contribute to growing environmental issue of global warming significantly. In this paper, we proposed a scheduling algorithm for the cloud data...

2016
J. A. Okoye

Distributed cloud datacenters are currently used as deployment environment for large-scale web-facing enterprise analytic cloud applications. In the era of cloud computing, these networks allow unprecedented scalability in response to dynamic and unpredictable grid workloads. However, grid applications need to scale beyond the limits of single-tenanted datacenter to multi-tenanted datacenter si...

2016
Wenxin Li Keqiu Li Deke Guo Geyong Min Heng Qi Jianhui Zhang

The emerging deployment of large-scale cloud applications incurs significant inter-datacenter traffic, which makes the scarce wide-area bandwidth across data centers become the performance bottleneck. To achieve the desirable network performance, bandwidth guarantee should be provided for the resulting inter-datacenter traffic. However, the existing bandwidth allocation methods mainly focus on ...

2016
Ata Turk Hao Chen Ozan Tuncer Hua Li Qingqing Li Orran Krieger Ayse K. Coskun

Cloud users today have little visibility into the performance characteristics, power consumption, and utilization of cloud resources; and the cloud has little visibility into user application performance requirements and critical metrics such as response time and throughput. This paper outlines new efforts to reduce the information gap between the cloud users and the cloud. We first present a s...

Journal: :J. Network and Computer Applications 2014
Saurabh Kumar Garg Adel Nadjaran Toosi Srinivasa K. Gopalaiyengar Rajkumar Buyya

Efficient provisioning of resources is a challenging problem in cloud computing environments due to its dynamic nature and the need for supporting heterogeneous applications. Even though VM (Virtual Machine) technology allows several workloads to run concurrently and to use a shared infrastructure, still it does not guarantee application performance. Thus, currently cloud datacenter providers e...

2013
Antonio Celesti Antonio Puliafito Francesco Tusa Massimo Villari

Nowadays, cloud federation is paving the way toward new business scenarios in which it is possible to enforce more flexible energy management strategies than in the past. Considering independent cloud providers, each one is exclusively bounded to the specific energy supplier powering its datacenter. The situation radically change if we consider a federation of cloud providers each one powered b...

2015
Faisal Nawab Vaibhav Arora Divyakant Agrawal Amr El Abbadi

Web-based applications face unprecedented workloads demanding the processing of a large number of events reaching to the millions per second. That is why developers are increasingly relying on scalable cloud platforms to implement cloud applications. Chariots exposes a shared log to be used by cloud applications. The log is essential for many tasks like bookkeeping, recovery, and debugging. Log...

2016
Antonio Celesti Antonio Puliafito Francesco Tusa Massimo Villari

Cloud federation is paving the way toward new business scenarios in which it is possible to enforce more flexible energy management strategies than in the past. Considering independent cloud providers, each one is exclusively bound to the specific energy supplier powering its datacenter. The situation radically changes if we consider a federation of cloud providers powered by both a conventiona...

Journal: :IEICE Transactions 2013
Yoichi Sato Ichiro Fukuda Fujita Tomonori

The use of computing resources on network is becoming active in the Internet and private networks. OpenFlow/Software-Defined Networking (SDN) is drawing attention as a method to control network virtualization for the cloud computing services and other carrier services. This paper introduces examples of OpenFlow/SDN technologies applied to commercial cloud services. Various activities to expand ...

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