Viewpoint On Cloud Computing - Collabera

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Overview Cloud computing - is this just a hyped up terminology or is this really the next big wave in IT towards a service based business model. What is cloud computing? What are the benefits, risks and challenges of cloud computing? Who are some of the key players in the cloud computing space? - These are some of the questions that architects and enterprises in general have today. This document tries to address some of these key areas. Cloud Computing: Background Cloud Computing, Cloud Services, Grid Computing, Utility Computing, *aaS – Everything as a Service, these are few of the terminologies used interchangeably to define cloud computing. Cloud computing is definitely a new terminology; however the underlying concepts like Grid computing, virtualization, timesharing that enabled cloud computing has been around for a long time. What is Cloud Computing? Wikipedia states – “Cloud computing is a broad term that refers to dynamic provisioning of common business applications and/or scalable and virtualized resources as a service over the internet.” This includes, • Infrastructure/Hardware as a Service (IaaS/HaaS) Value. Accelerated.
• Platform/Framework as a Service (PaaS) • Application/Software as a Service (SaaS) Brief introduction to Service layers Though cloud computing is a generic term, a clear demarcation of the type of service used, helps better deployment control to flexible/cost effective solution offerings. • Infrastructure as a Service: In traditional hosting services each customer is provided Value. Accelerated. with dedicated hardware. However, infrastructure cloud providers have a huge pool of shared resources that is dynamically provisioned to accommodate fluctuating demand from different enterprises. As a result, enterprises have far greater elasticity, economies of scale and cost advantage compared to traditional data centres. Following are the classification for infrastructure offerings, o Private Cloud: flexible computing resources built and provisioned internally for each enterprise users individually. Though this is still new and catching up with enterprises, there are good number of providers like Appistry, VMWare that enables building private clouds o Public Cloud: dynamic and metered provisioning of computing resources on the internet with a service dashboard to add/modify/remove resources or view resource usage and performance
Page 1: Position Paper Viewpoint on Cloud C
Page 5 and 6: Traditional vs. Cloud based approac
Page 7 and 8: • IaaS - key vendor comparison ma
Page 9 and 10: Conclusion Every passing day, new v

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