What Is Cloud Computing? A beginner’s guide

What exactly is cloud computing? The basic idea behind cloud computing is pretty simple. You use the internet to store, manage, and process data instead of your own local computer or server, and you can access that data from any computer connected to the internet as long as you have an internet connection yourself (e.g., Wi-Fi or 3G/4G). What’s more, all of this is done through the Internet, so you don’t need to worry about physical hardware breaking down or software becoming obsolete because of the latest operating system update.

 

What Is Cloud Computing?

Cloud computing basics may include some or all of these characteristics: 

1) On-demand self-service: a consumer can unilaterally provision computing capabilities, such as server time and network storage, as needed automatically without requiring human interaction with each service provider

 2) Broad network access: capabilities are available over a network and accessed through standard mechanisms that promote use by heterogeneous thin or thick client platforms (e.g., mobile phones, laptops, and PDAs).

 3) Resource pooling: various providers offer their computing resources in a shared pool and users select from among those resources using standards based interfaces.

 4) Rapid elasticity: capabilities can be elastically provisioned and released, in some cases automatically, to scale rapidly outward and inward commensurate with demand.

Advantages of Cloud Computing

Advantage of Cloud computing can be faster than regular desktop programs because it allows you to run a large number of applications simultaneously. Cloud storage also allows you to work on multiple computers at once, as long as they all have internet access. Because cloud computing uses software accessed through a browser or an app instead of installing a program on your computer, it is more portable and easier to transfer between different devices. For example, if you switch computers or get a new device, like a tablet or smartphone, all you need to do is log in with your username and password. You’ll have access to all your files and programs wherever you go. Cloud storage can give people who don’t have tons of money and space for IT equipment accessibility to professional-level technology.

Public vs Private Clouds

Private clouds are run solely for a single organization, while public clouds provide services to many organizations and individuals. Private cloud deployments are typically run by a company’s IT department, while public cloud infrastructure is designed to be shared by many different companies at once. Because of their shared nature, public clouds are more cost-effective and scalable than private clouds; however, private cloud deployments allow businesses greater control over where their data resides (often in physically separate locations) and may offer improved security. Both models have their benefits; it simply depends on your particular business needs. Regardless of which type of cloud you choose, it’s important to do some research before signing any contracts you don’t want to end up with a pricey service that doesn’t meet your needs!

Virtual Machine Basics

A virtual machine (VM) is a computer system that operates in a manner similar to a physical machine, but which exists as software on another computer. Virtual machines allow you to run multiple operating systems on one computer at once. For example, Windows runs in its own virtual machine and Linux runs in another. The most commonly used desktop VM platform is Oracle’s VirtualBox, which has free versions for Linux, Mac and Windows operating systems. Other popular desktop VMs include VMware Player/Fusion, Parallels Desktop and Microsoft’s Hyper-V. As far as enterprise is concerned, Amazon Web Services offers cloud computing services running on VMs.

Software as a Service (SaaS)

The term Software as a Service (SaaS) refers to applications that are hosted by a third-party and accessed over a network. One benefit of using SaaS is that you can get up and running quickly without purchasing any software or hardware. SaaS gives users access to programs such as word processing, email, databases, and customer relationship management without having to install new software on your computer. Cloud computing tools make it easy for companies to improve collaboration by making it possible for employees to access team files from anywhere at any time. Furthermore, cloud computing gives companies access to their data even when they’re offline as long as they’ve synced their files previously.

 

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