Companies' need to streamline their costs, especially in the current crisis, has led to the search for solutions to reduce the expenses with specialized personnel, licenses purchase, investment in equipment, amortization of these costs and other expenses related to their maintenance. The complex...

With the development of the Internet’s new technical functionalities, new concepts have started to take shape. These concepts have an important role especially in the development of corporate IT. Such a concept is „the Cloud”. Various marketing campaigns have started to focus on the Cloud...

Why Infrastructure as a Service? Because by finding an answer to this question, we will find solutions relevant both to the reduction as much as possible of initial costs incurred with the IT&C infrastructure and to a better control of the operational costs such as services delivered very fast...

In the present day context of globalisation as well as the effect of crisis on the economy, the evolution of companies, regardless of the specific area where they activate, should abound in keywords such as optimisation, added value, cost cutting, efficiency increase, and profitability. In this...

Several Cloud computing business models have been developed and implemented, including dynamic pricing schemes. This paper extends the known concepts of revenue management to the specific case of Cloud computing from two perspectives. First, we propose system architecture for Cloud service...

Any major research institution has a substantial number of computer systems on its campus, often in the scale of tens of thousands. Given that a large amount of scientific computing is appropriate for execution in an opportunistic environment, a campus grid is an inexpensive way to build a...

Cloud computing has been a hot topic in the research community since 2007. In cloud computing the online services are conducted to be pay as you use. Services need not to be in a long term contract with service providers. Service level agreements (SLAs) are agreements signed between a service...

When economic times get tough, businesses worldwide are compelled to review their organizational expenses and priorities and to strategically consider how best to save. Traditionally, Information Technology (IT) department is one area that would be affected negatively in the review. To better...

Cloud computing has enabled users to access various resources and applications as a service and in return pay the provider only for the time for which they are used. Service Level Agreements (SLA) are formed between the user and provider to ensure that the required services and applications are...