Cloud Computing Essay

3648 words - 15 pages

IntroductionWith the fast growth of process, success of the Internet and the storage technologies, computing resources befall low-priced, very powerfully also much ubiquitously accessible than earlier. This technological tendency permited comprehension of a latest computing model known as cloud computing, where by resources (storage and CPU) offered as general utilities which can be leased and released by consumers over the internet in an on demand mode.There are several meanings of Cloud Computing;According to (Brandl 2010) defined as IT resources collections which include servers, databases as well as applications which are obtainable on demand basis, offered by providers that are accessed from internet and offer resource pooling to several clients.According Mell & Grance (2011) defined cloud computing as "the model for allowing ubiquitous, convenient, on demand network access into a shared configurable computing resource, i.e. servers, networks, applications, storage as well as services that can be provisioned and released with least management effort or service providers interactions".The clear and friendly definition defined by Martson, Li, Bandyopadhyay, Ghalsasi & Zhang (2009), is an online service model by which software and hardware are brought to customers depend upon their needs and pay as an operating expense without incur high cost.The cloud computing attractiveness it's on both large and small enterprises (Smith 2009), though there are some issues which affect these enterprises from adopting cloud. Therefore this report describes about cloud computing services, as well as technological issues on adopting cloud computing in different countries, and cloud acceptance in different countries Characteristic of cloud computingOn demand self service: user can access computer services such as applications, email, and network from the source without the need of the human interactions with each service provider. This can be considered like a home owner when changing radio stations or TV channels with a remote control. (Fischer and Figliola 2013).Broad network access: user can access resources from anywhere over the network, typically the internet by using laptops, mobile phones and PDAs (Fischer and Figliola, 2013).Rapid elasticity: cloud service for consumers become immediate rather than persistent, these cloud services can be rapidly as well as elastically provisioned so that to scale out quickly and release once the consumers finish to scale down (Dillon, Wu and Chang, 2010).Resource pooling: cloud computing providers are pooled to serve many consumers by using multi-tenant model with different physical as well as virtual resources, assigned dynamically and reassigned as per demand of the consumers (Bento & Bento, 2011) Deployment ModelsThree standards models identified by (Mathew, 2012) which can be implemented for users or providers satisfactions as follows;Private cloudInfrastructure is solely operated for an organisation...

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