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With the rapid development of IaaS market, how to efficiently trade between cloud providers and users is becoming a new challenge which attracts huge attentions from both industry and academia. Compared with traditional fixed-price model, market-oriented trading mechanism such as auction demonstrates greater promise for resource pricing and allocation in clouds due to its adaptability and flexibility...
Today, there has been a strong demand of distributed collaboration in design and manufacturing, due to the acceleration of economic globalization and the popularity of virtual enterprises (VE) model. Because of the characteristics of cloud computing, such as elasticity and on-demand computing, it is promising to deploy and execute collaborative workflows that contain multiple tasks and services such...
A Cloud platform offers on-demand provisioning of virtualized resources and pay-per-use charge model to its hosted services to satisfy their fluctuating resource needs. Resource scaling in cloud is often carried out by specifying static rules or thresholds. As business processes and scientific jobs become more intricate and involve more components, traditional reactive or rule-based resource management...
Recently cloud computing technology has gained its popularity on research and development for petroleum explorations. The advances of cloud computing offer flexibility of computing power and storage capacity, provides beneficial technology for this application domain. For instance, the cloud computing technology can effectively reduce the complexity of information collection and control time in the...
Recently cloud computing technology has gained its popularity on research and development for petroleum explorations. The advances of cloud computing offer flexibility of computing power and storage capacity, provides beneficial technology for this application domain. For instance, the cloud computing technology can effectively reduce the complexity of information collection and control time in the...
The Voice over Internet Protocol (VoIP) was developed for making telephone calls using an Internet connection instead of a regular (or analog) phone line. However, traditional VoIP technologies have many disadvantages: user mobility is limited, and the need for Internet access makes it impossible to dial or receive data anytime from anywhere. Sensor technology has been integrated with VoIP to make...
With the popularity of cloud computing and SaaS, enterprises are willing to rent various cloud services and use them in their daily work. However, on-premise applications are still widely used inside enterprises. That is to say, to achieve the goal of business collaboration, a cloud service usually need to obtain business data from multiple sources, which include the relevant on-premise applications...
In this paper, we use a wildcard mask to implement the load balance method directly on switches or routers and add a user prediction mechanism to dynamically change the range of the wildcard mask, in this way, the load balance mechanism can be applied conforming to real service situations. In our experiment, we tested the accuracies of flow prediction with different prediction algorithms and compared...
This study proposes a Software-Defined Networking (SDN) architecture to help cloud customers receive highly efficient services in a heterogeneous cloud serving system. An application called SDNBroker is designed herein and superposed on the SDN controller by Northbound Application Programmatic Interfaces (Northbound API). When a cloud customer requests a service, the proposed SDNBroker schedules heterogeneous...
As Cloud computing becomes one of the mainstream distributed computing paradigms, cloud users are generating more intricate business processes and scientific jobs which involve the use of service workflows. Efficient management of those workflows' resources can help save cost and improve QoS. In this paper, we investigate the problem of coordinating resources beyond the boundary of a single workflow...
Cloud computing enables the on-demand provisioning of virtualized resources to its hosted applications and services to satisfy their fluctuating resource needs. As business processes and scientific jobs become more intricate, traditional reactive resource management method is not able to meet the new requirements. In this paper, we investigate the problem of dynamically managing virtualized resources...
Cloud computing represents a viable approach for hosting scalable applications and services. As business processes and scientific jobs become more intricate, users may have unbalanced and evolving requirements that are associated to the specific underlying sub-job or service. In this paper, we investigate the problem of managing virtual resources for service workflows in a cloud environment and propose...
Cloud computing environments provide flexible infrastructures for third-party management of organizations' information technology (IT) assets. With web services being a standard for realizing web-based business capabilities, the emergence of cloud computing will bring new challenges to different web service activities. In this paper, the authors propose an agent-based framework that provides effective...
This study achieves Quality-of-Service (QoS) management in heterogeneous networking using a distributed multi-agent scheme (DMAS) based on the concept of cooperation and the awareness algorithm. The proposed scheme is developed for supporting QoS management in a user-accepted and cost-effective fashion, which consists of a collection of problem-solving agents with three modules: the knowledge source,...
Service-oriented computing and cloud computing have a reciprocal relationship - one provides computing of services and the other provides services of computing. Although service-oriented computing in cloud computing environments presents a new set of research challenges, the authors believe the combination also provides potentially transformative opportunities.
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