What is cloud computing and how does it work? 

cloud computing

Cloud computing has become an important part of the tech industry, especially since more and more businesses are ditching their own data centers in favor of renting space on bigger servers located elsewhere.  

How does cloud computing work?  

In this article, we’ll take a look at how you can use cloud services to streamline your business, as well as what the future holds for this increasingly popular way of doing business online. 

How Data Centers Work 

Cloud computing refers to a service where you can store your data on multiple computers, often across large areas. Because of its virtual nature, you can access your data from anywhere, as long as you have an internet connection. By storing your data in the cloud rather than in a local computer or device (your own PC, phone or tablet), you save money by not having to invest in expensive storage hardware for your devices. 

Software as a Service (SaaS) 

Cloud-based software which can be thought of as software on tap or as on demand software is often referred to as Software as a Service (SaaS). In general, you pay a flat monthly fee for using SaaS applications. Examples of SaaS include Google Docs, Dropbox, Evernote, Salesforce CRM and more. You access SaaS through an Internet browser. Since there’s no installation, there’s no need to deal with updating your computer with new operating systems (OS) or application program interfaces (API), patches or any other technical issues related to computers and their maintenance And by accessing your data from anywhere in the world through that browser you also become agnostic about where your data lives. 

Infrastructure as a Service (IaaS) 

IaaS is one of three main categories of cloud services. It refers to a scenario in which a vendor offers virtualized resources like storage, processing power, and network capacity on demand. IaaS vendors are typically large third-party providers such as Amazon Web Services (AWS), IBM, Rackspace, Go Grid, etc. Typically IaaS offerings will allow users to store their data within or outside of that provider’s infrastructure.  

This allows customers some flexibility in terms of maintaining their own systems while also benefiting from cloud architecture’s economy of scale. Customers can also use IaaS to set up dedicated virtual servers hosted by a service provider called virtual private cloud. Alternatively, they may use public cloud environments hosted by multiple providers at once called hybrid clouds. Hybrid clouds offer business continuity options not available with other types of private clouds. 

Platform as a Service (PaaS) 

PaaS platforms are built specifically for developers, letting them focus solely on writing applications. These tools handle everything from infrastructure to deployment, so you don’t have to worry about scaling or storage costs. PaaS also allows for more flexible development; you can build mobile apps in Java, Python, or Ruby instead of having to learn a proprietary language like Objective-C.  

The tradeoff with PaaS is control: you have less power over your infrastructure than with IaaS providers like Amazon Web Services. With PaaS solutions there’s no need to store large amounts of data locally or process images on your own machines; you just write code. Likewise, if you want to launch an application quickly without paying upfront costs for servers and bandwidth charges, then PaaS could be ideal for your business. 

Cloud Storage 

This is where your data gets stored when you use a service like Google Drive or Dropbox. The cloud computing service itself might have storage space anywhere from five GB to unlimited storage space. You access your data through an app, website, or any other way that makes sense for that particular service. Google Drive also has desktop apps for Windows and Mac OS X so you can access your files directly through their operating systems.  

This means no matter what device you’re using, as long as it has Internet connectivity, you’ll be able to access your cloud storage files easily. One thing to keep in mind: With most of these services there are limits on how much data you can upload per month. If you plan on uploading videos and images every day, make sure they don’t go over your limit; some companies charge based on how much space is being used each month with no refunds if someone goes over their limit. 

By aamritri

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