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Heterogeneous data and various system that manage data in organization can be one of the difficult factor to manage data and application. SOA proposed several years ago boast an open standard based on loosely coupled architecture for better integrating application in distributed and heterogeneous environment. ESB is introduced as infrastructure for SOA service connection and message exchange that...
Cloud Federation offers Cloud Service Providers (CSPs) the ability to lease excess capacity to other CSPs in need of temporary additional resources such as large amounts of computational and networking power, or storage capacity to meet consumer's insatiable demand requirements. This promise, not only directly contradicts the Cloud Computing principles of scalability and elasticity, but also challenges...
The energy consumption of Cloud computing continues to be an area of significant concern as data center growth continues to increase. This paper reports on an energy efficient interoperable Cloud architecture realized as a Cloud toolbox that focuses on reducing the energy consumption of Cloud applications holistically across all deployments models. The architecture supports energy efficiency at service...
In this paper, we continue improving our MDA Framework whose aim is to generate a SaaS (Software as a Service) inside a Cloud Environment from a multiview model using a Colored Petri Nets. This framework is composed of 4 modules, we will focus on the 3rd one which design an extended PNML based on a multiview system who is supporting views.
Cloud computing (the delivery of computing as services rather than products) creates new challenges with respect to openness. Existing approaches such as open source licensing of software products have proven inadequate in a service-oriented world; attempts to address the limitations by closing the “service provider loophole” have failed to gain traction. Similarly, multiple providers are yet to fully...
In this modern era, cloud computing has evolved as a new technology for enterprise and personal computing. Many cloud services are available for customers in the market today. Each service has different terminologies, security, cost and goals. Evaluations of these cloud services are becoming more and more significant. Among the different types of cloud services available, SaaS is rapidly becoming...
Companies that use a Software-as-a-Service (SaaS) application do so mainly to either replace an existing IT solution or as an extension function to other applications. However, both the data and the system may be exposed to higher threats when a SaaS application is integrated into an existing IT infrastructure. Many firms rate security as a critical issue when moving to the cloud, but only a scant...
In order to realize the sharing of medical information, coordination of medical, as well as the efficient and cost-effective health information system through the construction of a distributed and high-integrated platform, the medical and health information system infrastructure based on the cloud computing is proposed. And three kinds of application mode, SaaS, PaaS and IaaS, are applied in this...
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