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This Cloud Computing is the emerging trend in distributed computing that encourages researchers to investigate its pros and cons for executing scientific workflows. Scheduling of applications modeled as workflows and executed in high performance distributed computing environments like cloud is a computationally hard multi-objective optimization problem. However, it presents various challenges that...
These days, cloud computing is growing more popular, as users are becoming more interested in migrating their tasks on these ubiquitous systems. However, due to the large number of providers and services available, selecting the best option would be a very time-consuming process. This paper presents a multi-agent approach to assist the selection and provisioning of resources in a multi-cloud environment...
Cloud computing is an emerging technology, so far standing outright, creating challenges for developers and techies who work in the system as well as to the research and development concerns for both commercial and organizational purposes. Staying subversive in all its research and development it creates a lot of real time issues for both technical and noncommercial users at different levels, which...
Cloud Computing provides a convenient means of remote and pay-per-use access to computing resources in forms of Virtual Machines (VMs). Specially, with cloud computing, service providers no longer need to maintain a large number of expensive physical machines, which can significantly reduce the cost. However, due to the fluctuation and uncertainty of the future demands, it is still a challenge for...
Web applications play a major role in various enterprise and cloud services. With the popularity of social networks and with the speed at which information can be disseminate around the globe, online systems need to face ever growing, unpredictable peak load events. Auto-scaling technique provides on-demand resources according to workload in cloud computing system. However, most of the existing solutions...
The recent emergence of, cloud computing is making the, vision, of, utility computing, realizable, i.e., computing resources and services from a cloud can be delivered, utilized, and paid for in the same fashion as utilities like water or electricity. Current, cloud service providers have taken some steps towards supporting the true, pay-as-you-go or a utility-like pricing model, and current research...
We investigate optimal resource allocation and power management in virtualized data centers with time-varying workloads and heterogeneous applications. Prior work in this area uses prediction based approaches for resource provisioning. In this work, we take an alternate approach that makes use of the queueing information available in the system to make online control decisions. Specifically, we use...
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