Ansar Rafique

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—The cloud computing paradigm promises increased flexibility and scalability for consumers and providers of software services. Service providers that exploit private cloud environments offer restricted flexibility and scalability because of the limited capacity. However, such organizations are often reluctant to migrate to public clouds because of business(More)
The cloud computing paradigm promises increased flexibility and scalability. However, in private cloud environments this flexibility and scalability is constrained by the limited capacity. On the other hand, organizations are reluctant to migrate to public clouds because they lose control over their applications and data. The concept of a hybrid cloud tries(More)
Offering Software-as-a-Service (SaaS) applications on top of a Platform-as-a-Service (PaaS) platform is a promising strategy as the SaaS provider does not need to acquire and maintain private cloud infrastructure, and it enables him/her to enjoy the benefits of cloud scalability and flexiblity as well. However, as this entails losing some control over the(More)
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