Abstract
Cloud Computing is a constantly evolving IT generic term used to refer to various IT solutions and services provided via the internet. Precisely, cloud computing can be said to be  the delivery of scalable IT resources over the Internet, as opposed to hosting and operating those resources locally; these resources can include applications and services, as well as the infrastructure on which they operate (EDUCAUSE 2009). So instead of spending money on applications and hardware, individuals and businesses have access to same resources without the commitment of ownership to vendors who provide on-demand services such as Customer Relationship Management (CRM), off-site storage, hosted email solutions, secure web portals, etc. Despite some seemingly security challenges that confront total adoption of Cloud computing by business organizations and educational institutions, the benefits of using services provided by Cloud technology still outweigh the perceived challenges. It is the aim of this paper to present an expository review of services that can run on the cloud thereby providing excellent opportunities for business groups and academics institutions. The paper also provides a contribution to the propagation of the adoption of cloud technology.
Highlights
According to National Institute of Standards and Technology(NIST) Cloud Computing Project, Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction
Draškoet al in 2010 [1] highlighted some benefits of carrying out a high performance computing (HPC) in the cloud and other services offered by cloud computing vendors such as: Microsoft, Amazon, VMware
Various services provided by cloud computing are done over the Internet which means that the vendor can be located anywhere in the world
Summary
According to National Institute of Standards and Technology(NIST) Cloud Computing Project, Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. The concept of cloud computing came through loud and clear in the 1990′s when telecommunications companies began making radical shifts from regular data circuits to Virtual Private Networks (VPN). They noticed by switching to a VPN they were able to get work done more efficiently and inexpensively. In 2009, revenue for cloud services was just over $58.6 billion. The research firm Gartner projects that revenue for cloud services will approach $152.1 billion in 2014. Draškoet al in 2010 [1] highlighted some benefits of carrying out a high performance computing (HPC) in the cloud and other services offered by cloud computing vendors such as: Microsoft, Amazon, VMware
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