Cloud Computing

Topics: Cloud computing, Utility computing, Grid computing Pages: 9 (2546 words) Published: January 30, 2010
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As with any new trend in the IT world, enterprises must figure out the benefits and risks of cloud computing and the best way to use this technology. The buzz around cloud computing has reached a fever pitch. Some believe it is a disruptive trend representing the next stage in the evolution of the internet. Others believe it is hype, as it uses long established computing technologies. One thing is clear: The industry needs an objective, straightforward conversation about how this new computing paradigm will impact organizations, how it can be used with existing technologies, and the potential pitfalls of proprietary technologies that can lead to lock-in and limited choice. This document is intended to initiate a conversation that will bring together the emerging cloud computing community (both cloud users and cloud vendors) around a core set of principles. We believe that these core principles are rooted in the belief that cloud computing should be as open as all other IT technologies. This document does not intend to define a final taxonomy of cloud computing or to charter a new standards effort. Nor does it try to be an exhaustive thesis on cloud architecture and design. Rather, this document speaks to CIOs and other business leaders who intend to use cloud computing and to establish a set of core principles for cloud vendors. Cloud computing is still in its early stages, with much to learn and more experimentation to come. However, the time is right for the members of the emerging cloud computing community to come together around the notion of an open cloud. Multitenant : For an organization having many tenants renting some services. Authors & scientists of various publications: Hartig, Hinchcliffe, Greenberg, Robbins, Gupta & Swaminathan

The word Computing means any goal-oriented activity requiring, benefiting from, or creating computers. Thus, computing includes designing and building hardware and software systems for a wide range of purposes; processing, structuring, and managing various kinds of information; doing scientific studies using computers; making computer systems behave intelligently; creating and using communications and entertainment media; finding and gathering information relevant to any particular purpose, and so on. Computing is categorized according to the requirement of the individual or an organization. The topic I am going to discuss in this paper presentation would be “Cloud computing” dealing as Group and organization . Fig. 1 demonstrates a simple architecture about cloud computing.

“Cloud computing” is termed as the next big thing in the modern corporate world, the growing impact is will be seen on enterprise IT and business activities in many large organizations. This paper provides an insight to cloud computing, its impact and discusses the issues that business organizations face while implementing cloud computing, It also discusses various strategies that organizations need to adopt while migrating to cloud computing. Fig. 1


Cloud computing is very simple and broad concept in which we are using internet which allows people access technology enabled services. It is named so as its representation is always done as a cloud as in a network diagram. In broader context, cloud computing can be said as a large network of computers used by large organizations to provide services to smaller ones and individuals. It is sometimes termed as Grid computing or Network computing. Cloud computing can be said as...

References: [1]. Buyya, Rajkumar; Chee Shin Yeo, Srikumar Venugopal, Sudershan Malpani (PDF). Market-Oriented Cloud Computing: Vision, Hype, and Reality for Delivering IT Services as Computing Utilities. Department of Computer Science and Software Engineering, The University of Melbourne, Australia. pp.9. [2]. p2uting.pdf. Retrieved 2008-07-31. [3] .M. D. Dikaiakos, D. Katsaros, G. Pallis, A. Vakali, P. Mehra: Guest Editors Introduction: "Cloud Computing, IEEE Internet Computing", 12(5), Sep. 2009. [4] San Murugesan (Editor), "Cloud Computing: IT 's Day in the Sun?", Cutter Consortium, 2009. [5] Luis M. Vaquero et al., A Break in the Clouds: Toward a Cloud Definition, ACM SIGCOMM Computer Communication Review, Volume 39, Issue 1 (January 2009), Pages 50–55, ISSN:0146-4833 [6] [7]
Fig. 3 and wants to cut cost while benefiting from the new applications, the business can achieve the best competitive advantage in the market. According to Swaminathan (2009. p. 14), to compete effectively in today’s world, executives need every edge they can get, from low cost to speed and employee productivity. By tapping into the right cloud capabilities, companies can quickly enter new markets and launch new products or services in existing markets. When demand grows, they can quickly scale up, and when opportunities dry up, they can just as quickly scale down with minimum waste of time and capital. By using cloud-based solutions such as crowd-sourcing, companies can open up innovation to more employees, customers and their partners.
Cloud computing is a fascinating realm, that makes it easier to deploy software and increase productiovity. However, there are some technical and non-technical realities that make security somewhat difficult to deliver in cloud. The cloud presents a number of new challenges in data security, privacy control, compliance, application integration and service quality. It can be expected that over the few years, these problems will be addressed. According to Swaminathan(2009, p. 12-15) and Daugherty(2009, p. 12-15), to be successful, companies should take small incremental steps towards this new environment so they can reap benefits for applicable business situations and learn to deal with the associated risks. In general, Cloud computing will act as an accelerator for enterprises, enabling them to innovate and compete more effectively. Under the current economic conditions, executives need to rethink their strategies dealing with cost-effective solutions. They need to use the cloud services for the right jobs they require. Today’s infrastructure clouds such as Amazon EC2 offer a relatively inexpensive and flexible alternative to buying in-house hardware. They are also beneficial for computation-intensive hobs, such as data cleansing, data mining, risk modeling, optimization and simulation. Businesses and enterprises should now take steps to experiment, learn and reap some immediate business benefits by implementing cloud
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