Cloud computing (CC) facilitates quick deployment and easy access to computer servers for web hosting and many other applications. Once users try it, they find it easy to answer: How flexible is cloud hosting? In a words, a cloud server is very flexible.
Cloud computing is a cost-effective way for users to quickly and cheaply get to use information technology (IT) resources. CC makes these resources available on a leased, not purchase, basis. Users avoid paying the initial capital cost as ongoing operational expenses associated with IT resources. The idea is especially attractive to users that access IT resources infrequently and hence utilization is too low to justify purchasing resources.
CC is aimed at allowing users to avoid buying the equipment themselves. The concept is particularly attractive in cases where users wish to access resources on an irregular basis and hence utilization will be too low to justify buying the resources.
As an analogy, some people prefer to occasionally charter (rent) a yacht for a weekend or vacation period rather than incurring the cost of buying and maintaining it throughout the year. Their decision to lease rather than buy is driven by their expected low utilization of the asset. CC serves a similar purpose in the IT market.
Next, CC provides a platform facility to launch software apps. This is vital for software developers wanting to test and trial their new apps. CC can provide a computing platform as well as a solution stack.
Thirdly, for software, CC allows all applications to be stored in a central location. This allows clients to use software apps on remote servers via the Internet. This centralization means CC providers can efficiently manage and update versions of browser-based applications they offer clients, removing any need for expensive multiple-user licenses and new version upgrades.
Finally, in terms of software, CC allows all apps to be centralized. It differs from a client-server network since it allows access to software apps from a remote server via the Internet. Importantly, centralization allows cloud service providers to have complete control over the versions of the browser-based applications they provide to clients. This removes the need for costly multiple-user license purchases and version upgrades. The provision of application software via CC is often called software as a service (SaaS). It greatly simplifies maintenance and support.
CC makes IT resources available to users like a utility. Online businesses like ours no longer need to make require large investments in hardware or supply the human expertise and expense to operate it. We no longer need to struggle with the cost of over-investing now to provide IT capacity for risky future growth which may not eventuate. With CC, clients can draw-on IT resources in the same way that consumers draw electricity from the main grid. Using servers for one hour via the cloud costs no more, on a unit basis, than using one server for 100 hours. CC appeals to many users that in the past have operated a conventional client-server computer network. With CC, clients may establish access to their own private cloud, that is, dedicated infrastructure that is operated exclusively for their own exclusive usage. This is a service targeted to businesses.
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