Cloud Computing is an emerging style of IT delivery in which applications, data and IT resources are rapidly provisioned and provided as standardized offerings to users called consumers over the web in a flexible pricing model. Cloud provider is responsible for providing quality of services to cloud consumers. A cloud typically contains a significant pool of resources, which could be reallocate...

The advancement of cloud computing has enabled service providers to provide diversity of cloud services to users with different attributes at a range of costs. Finding the suitable service from the increasing numbers of cloud services that satisfy the user requirements such as performance, cost and security has become a big challenge. The variety on services description none uniformed naming co...

Cloud is an advancing technology where the the concept of service oriented architecture, distributed, autonomic, and utility computing is being utilized by various service providers. The current changing world is highly challengeable to build high-quality cloud application. Since QoS ranking that provide beneficial information for optimal cloud service selection is time consuming and expensive,...

The rate of acceptance of clouds each year is making cloud computing the leading IT computational technology. While cloud computing can be productive and economical, it is still vulnerable to different types of external threats, one of which is a Denial of Service (DoS) attack. Taking the cloud providers’ security services could cause disputes and involvement of hidden costs. Rather than depend...

Today, cloud computing infrastructure is largely being deployed in healthcare to access various healthcare services easily over the Internet on an as-needed basis. The main advantage of healthcare cloud is that it can be used as a tool for patients, medical professionals and insurance providers, to query and coordinate among medical departments, organizations and other healthcare related hubs. ...

Cloud computing provides consumer an inclusive software atmosphere. In the midst of the escalation of Cloud computing, additional companies are offering diverse Cloud services. Commencing the consumer's point of view, it is constantly complex to make a decision on choosing the services depending on QoS requirements. QoS requirements have to be satisfied by both service providers and consumers. ...

Cloud computing has gained much popularity recently, and many companies now offer a variety of public cloud computing services, such as Google AppEngine, Amazon AWS, and Microsoft Azure. These services differ in service models and pricing schemes, making it challenging for customers to choose the best suited cloud provider for their applications. This paper proposes a framework called CloudCmp ...

Cloud is an advancing technology where the the concept of service oriented architecture, distributed, autonomic, and utility computing is being utilized by various service providers. The current changing world is highly challengeable to build high-quality cloud application. Since QoS ranking that provide beneficial information for optimal cloud service selection is time consuming and expensive,...

Cloud storage can provide a flexible on-demand data storage service to users anywhere and anytime. However, users’ data is owned by cloud service providers physically, and the physical boundary between two users’ data is fuzzy. In this environment not controlled by users, a method to ensure users’ data integrity must be provided. In order to avoid retrieving enormous storage data and users them...

Cloud Computing represents an evolution of information systems. This technology is suitable for large groups but also for SMEs that offers a very high computing power at lower costs. It is used to interconnect several organizations disregarding their geographic location, and transforms current computer infrastructures and services. Cloud computing brings a new approach to computing, a different...