LITERATURE REVIEW
Cloud computing refers to both the applications delivered as a service over the internet and hardware and systems software in the datacentres that provides those services (Armbrust et al, 2009). Some authors even refer to cloud computing as a new paradigm and emerging technology that flexibly offers IT resources and services over the Internet (Fenn et al. 2008).
Cloud computing technology has three major service models including software as a service (SaaS), platform as a service (PaaS) and infrastructure as a services (IaaS). Depending on the usage, cloud computing technology can be grouped into four categories. They are private cloud, community cloud, public cloud and hybrid cloud (Mell & Grance, 2011).
Cloud computing is therefore seen as the best alternative for addressing the challenge faced by SMEs in adopting technological innovations (Rio-Belver et al, 2012). However, there is a slow response of small businesses towards the adoption of ICT (Houghton and Winklhofer). This is largely due to high costs and security risks associated with investing in them. SMEs prefer low cost alternatives that produce competitive advantage (Bayrak, 2013).
It is noted through the related study by Gaofeng and Jing(2010), tells how public cloud computing infrastructure could be used at low cost, low technical barriers and high diversity with multimedia technology. Another study by Kaufman (2010) explained the security and privacy issues of public cloud and mentioned that, because of thwart attacks in public clouds, many of the organizations ultimately need to move the traditional perimeter security approaches to the private virtual machines. Ramgovind et al. (2010) describes the different types of clouds, services (Iaa...
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The idea of accessing, storing, and processing data from online server or virtual server instead of local server is called as Cloud computing. When we store data in our hard disk which is very near to computer that is called as local storage and computing but Cloud computing doesn’t access data from our hard disk.
The first cloud infrastructure that I would like to describe is the Platform as a Service model, also known as PaaS. The platform in PaaS describes the fact that it provides the computers operating system and hardware for the use of applications. To expand on the platform description it easier to say that a company can use this cloud infrastructure in order to run their software rather than having to buy each computer and software to run a program for each computer. A plus side of using PaaS is that new developers are able to test applications in the cloud without crashing their own computer. It is also capable of storing information on the cloud which frees up hardware storage space. The traditional type of networking where you every computer had to be networked and hardwired to each of the
Cloud is the result of a decade research in the field of distributing computing , utility computing, virtualization , grid computing and more recently software, network services and web technology which is changeable evolution on demanding technology and services also as looking to the rapid growth of cloud computing which have changed the global computing infrastructure as well as the concept of computing resources toward cloud infrastructure. The important and interest of cloud computing increasing day by day and this technology receives more and more attention in the world (Jain, 2014) the mostly widely used definition of cloud computing is introduced by NIST “as a model for enabling a convenient on demand network access
Cloud computing is defined by experts as a type of computing that relies on sharing computing resources rather than having local servers or personal devices to handle applications. The meaning behind the word cloud is that it is a metaphor for the entire online web and its data as well. A cloud service differs from traditional hosting in three different ways. These three differences are that cloud computing is elastic, it is sold on demand, and the service is managed by the provider of the cloud. The easiest way to explain what cloud computing does is that it stores and gives access to different data and programs over the internet rather than just your computer’s hard drive. For it to be actually considered cloud computing it must include data or programs over the internet. Cloud computing can be done anytime, anywhere with an online connection.
Even though cloud computing is still an emerging technology there are many benefits to our organization by adopting this technology. For instance, the reduction of operational cost, the ability to access data from any network and device, and the ability to upgrade and downgrade with ease whenever needed. Looking at the statistical data from companies that have adopted this technology, I think Partners in Heath should adopt Cloud computing. It think it is the perfect technology to solve our financial problems, as well as adding several benefits mentioned earlier.
Cloud computing is computing in which large groups of remote servers are networked to allow the centralized data storage, and online access to computer services or resources. Clouds can be classified as public, private or hybrid
When they wanted to save photos online instead of on your personal computer, they are able to use “cloud computing” service. Cloud computing means that the transfer of computing data or information over the internet. Not just to keep data in your personal computer, they are able to save the data on internet server to open their data in any computer. In this report we will walk through about what is cloud computing, what kinds of model did cloud computing have, types of cloud computing, benefits of cloud computing, and security.
...Implementation of cloud systems can be implemented in stages with costs that coincide with usage. The ROI outweighs the issues or problems that could occur. Cloud computing gives a competitive advantage of being able to keep up with changes in technology without having the cost involved. Amazons cloud computing allowed companies like Ericsson to remain competitive and thrive.
The cloud computing is the practice that enables access to the shared pool of configurable computing resources which can be dynamically provisioned. It refers to both the applications delivered as service as well as hardware and system software in the data centres that provide those services. The attractive features of cloud computing such as on-demand access, high scalability, reliability, cost savings, low maintenance and energy efficiency bring benefits to both cloud service consumers and providers.
The term “Cloud” is very popular among entrepreneurs and marketers, but it simply means the wonders of Internet. Cloud computing shares the same concept as utility computing, in which all the computers are connected through a network and shared computing resources, such as computation, storage and services, over the network. Typically, there are three major models of cloud computing services on the market, which are software as a service (SaaS), platform as a service (PaaS), and infrastructure as a service (IaaS).
Whitman, M., & Mattord, H. (2010). Management of information security. (3rd ed., p. 6). Boston, MA: Cengage Learning.
Cloud computing facilitates sharing of computing and storage resources with the aim of reducing computing expenses in organizations. Moreover, cloud computing facilitates information sharing among individuals within a cloud. Despite being advantageous, data stored in a cloud is usually prone to hacking and other security issues. This paper addresses the various mitigation measures that organizations are using to ensure that data stored in the cloud is secure.
Several types of cloud storage systems have been developed to supporting both personal and business uses. Cloud storage also a model of networked enterprise storage where the data is stored not only in the user's computer, but also in virtualized of storage, which generally hosted by third parties company.
In cloud computing, the word cloud is used as a metaphor for “the internet”. So the cloud computing means “a type of internet-based computing”, where different services such as servers, storage and applications are delivered to an organization’s computers and devices through the internet.