COMPUTING SERVICES IN THE CLOUD

COMPUTING SERVICES IN THE CLOUD



Cloud computing is a modality for providing computer facilities via the Internet. The cloud-computing concept incorporates single-function applications, such as those available as office suites, and the execution of comprehensive enterprise applications pieced together from components residing in varying Internet locations. The application software with cloud computing is useful for connecting people and organizations in various combinations across the Web and supports mobile computing. This paper gives an eclectic perspective of cloud computing for service providers, developers, users, and entrepreneurs. The discipline of service science serves as the basis of modern computer and Internet technology encompassing the subjects of Web services, service-oriented architecture, and, most recently, cloud computing. Most aspects of modern information systems are derived from service science, as well as are the pragmatic sides of business and economic theory. This paper seeks to investigate the underlying principles that govern the exchangeable value of cloud services. Throughout, we will attempt to show the real value of service, the different parts of which a cloud service is constructed, and the forces that govern the dynamics of service value. One of the defining characteristics of cloud computing is the transfer of control from the client domain to the cloud service provider. Accordingly, it is particularly important that client requirements are delineated and analyzed, because without a clear understanding of exactly what client needs are in cloud computing, what constitutes a cloud service, what differentiates one form of cloud computing from another, and how cloud services operate and interoperate, continuous improvement will be a never-ending process of trial and error. CLOUD COMPUTING CONCEPTS Cloud computing is a means of accessing computer facilities via the Internet, where the adjective cloud reflects the diagrammatic use of a cloud as a metaphor for the Internet. Most of us have been using cloud-computing facilities in one form or another for years through ordinary email and the World Wide Web. Recently, the term has come to reflect the use of software and the running of computer applications via the Internet where the computer infrastructure and software are not on premises.Cloud computing, as a form of service provisioning, has given rise to several related concepts, such as mesh computing, cloud platforms, and software plus service. A proper, but not necessarily definitive, conceptualization of cloud computing is to use office-class applications via your web browser over the Internet instead of having those applications reside on your on premises computer. In this instance, the service provider supplies the network access, security, application software, and data storage from a data center located somewhere on the Internet and implemented as a form of server farm with the requisite infrastructure. A service would have ubiquitous access through a web browser. In general, the cloud computing concept is not limited to single-function applications, such as those available with typical office suites, but could include comprehensive enterprise applications pieced together from components residing in varying Internet locations. Every year, businesses spend millions of dollars on their IT infrastructure consisting of hardware, system software, applications, networks, people, and other organizational assets. With on demand computing, they can plug into the wall, figuratively speaking, and only pay for the IT services they use. The general concept is called utility computing that is accessed as most public utilities. When appropriate, a service utility is a viable option for obtaining computing services, the essence of which is in the packaging of computer services as a metered facility without up-front costs for IT infrastructure. In the current view of things, a services utility is network based and is dependant upon the Internet as a transport mechanism. Click here for free

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