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Cloud Computing: Why Businesses Are Embracing It. Le cloud computing expliqué aux nuls. Cette année, les "Microsoft Tech Days", grande manifestation organisée par le groupe pour les professionnels du numérique, étaient placés sous le signe du cloud computing, aussi appelé "informatique dans le nuage".

Le cloud computing expliqué aux nuls

Un phénomène qui prend de plus en plus d'ampleur dans les entreprises, et que le grand public commence à connaître sous la forme de services de stockage à distance, ou encore de musique en streaming. Le cloud est sur toutes les lèvres, y compris celles d'Eric Besson qui a lancé en janvier un appel à projets autour du cloud dans le cadre du grand emprunt. Bernard Ourghanlian est directeur technique et sécurité de Microsoft France, qui possède aujourd'hui 31 000 clients à ses services cloud Windows Azure dans le monde. Pour Lexpansion.com, il explique ce qu'est le cloud, et à quoi ça sert. Comment définissez-vous le cloud computing ? Le grand public utilise depuis longtemps le cloud computing sans le savoir. C'est une révolution économique, mais pas technologique. Pas vraiment. Cloud Computing. Definitions.

Cloud computing metaphor: For a user, the network elements representing the provider-rendered services are invisible, as if obscured by a cloud.

Definitions

Cloud computing is a computing term or metaphor that evolved in the late 1990s, based on utility and consumption of computer resources. Cloud computing involves application systems which are executed within the cloud and operated through internet enabled devices. Purely cloud computing does not rely on the use of cloud storage as it will be removed upon users download action. Clouds can be classified as public, private and hybrid.[1][2] Overview[edit] Cloud computing[3] relies on sharing of resources to achieve coherence and economies of scale, similar to a utility (like the electricity grid) over a network.[2] At the foundation of cloud computing is the broader concept of converged infrastructure and shared services. Cloud computing, or in simpler shorthand just "the cloud", also focuses on maximizing the effectiveness of the shared resources. Understanding flavors of Cloud. Confusion Continues With Cloud Computing And SaaS Definitions Coincidence or just brilliance must be in the air as three esteemed industry colleagues, Phil Wainewright, Michael Cote, and James Governor, have both decided to clarify definitions on SaaS and Cloud within a few days of each other.

Understanding flavors of Cloud

In fact, this couldn’t be more timely as SaaS and Cloud enter into mainstream discussion with next gen CIO’s evaluating their apps strategies. A few common misconceptions often include: “That hosting thing is like SaaS”“Cloud, SaaS, all the same, we don’t own anything”“OnDemand is Cloud Computing”“ASP, Hosting, SaaS seems all the same”“It all costs the same so what does it matter to me?” “Why should I care if its multi-tenant or not?

Cloud Computing Represents The New Delivery Model For Internet Based IT services Traditional and Cloud based delivery models share 4 key parts (see Figure 1): As the über category, Cloud Computing comprises of Figure 1. Single Instance – (a.k.a. Figure 2. Your POV. Above the Clouds. Above_the_clouds. Above the Clouds: A Berkeley View of Cloud Computing. Michael Armbrust, Armando Fox, Rean Griffith, Anthony D.

Above the Clouds: A Berkeley View of Cloud Computing

Joseph, Randy H. Katz, Andrew Konwinski, Gunho Lee, David A. Patterson, Ariel Rabkin, Ion Stoica and Matei Zaharia EECS Department University of California, Berkeley Technical Report No. UCB/EECS-2009-28 February 10, 2009 Provided certain obstacles are overcome, we believe Cloud Computing has the potential to transform a large part of the IT industry, making software even more attractive as a service and shaping the way IT hardware is designed and purchased.

BibTeX citation: EndNote citation: %0 Report %A Armbrust, Michael %A Fox, Armando %A Griffith, Rean %A Joseph, Anthony D. Myths.