This cloud computing tutorial is to explore the technology that heavily affects all of our lives, both personally and professionally.
Cloud computing is simply a network of remote servers on the internet that aids in storing and retrieving data. The basic concept is as simple as that. This network offers various IT services including virtual storage, databases, networking, servers and software, among others.
As we become more technologically adept, the need for organizations to shift to the cloud becomes more pressing. Consequently, the demand for experts in the field increases too. This cloud computing tutorial for beginners will help you gain knowledge in its key aspects.
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Earlier, businesses relied predominantly on buying components like DBs, software, servers, hardware and other peripherals to ensure their business went online. Today, however, they can simply rent it from cloud vendors, saving a lot of setup and upkeep cost.
This is why the demand for cloud computing is moving upward. But what is cloud computing?
There are plenty of definitions of cloud computing. It pertains to the on-demand supply for various computer system resources over the internet. These resources could be computing power, data storage or even databases. All the data is kept on physical servers maintained by a cloud service provider. Hence, the user is saved from various on-premises costs.
Here is a quick history of cloud computing.
The idea of cloud computing has been around since the 1960s but its implementation gained some traction around the 1970s, with the launch of IBM's virtual machines. This launch shook the world as users could now have their own virtual machine run on hardware and they didn't even have to maintain and manage it.
After this breakthrough, the 1980s computer boom added fuel to the fire. When companies wanted to connect their computers in-house and share their data, VPNs enabled them to do so. Salesforce became a pioneer in cloud computing in 1999 when it commenced delivering enterprise apps via a simple website.
AWS was launched in 2006, closely followed by Microsoft Azure in 2008. Both of these took the world by storm and are also currently leading the market sphere, followed by Google Cloud Platform (GCP) in third place.
Cloud computing is popular because it aids SMEs in accessing app software over the internet, and that too without spending heavily on computer hardware and software. More businesses today want to outsource their storage needs as it gives them space to focus on more important tasks. Thus, contributing to the increasing popularity of this technology.
There are plenty of benefits of cloud computing that have rendered this technology a leading name today.
The upfront cost incurred in getting a license gets switched with a nominal monthly or annual subscription fee. This cost is scalable and depends on your usage.
Remote working has become more feasible as apps can be logged into from anywhere and at any time. The VPN is not needed and thus, there is no need to create a backup for the data.
New products and services can be availed in a small amount of time. Hence, companies do not have to spend long hours trying to adopt new solutions and get down to revenue generation in no time.
Cloud computing has found its way to be used in Google apps, business continuity, Salesforce, hosted file share, and much more.
All IT service and resources are available on the cloud at all times. This speeds up the process of getting the service or product in the market for enhanced profits.
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Based on deployment, there are three main types of cloud that you should know about.
The public cloud, as the name suggests, is open to all. Anyone can store and access data over the internet. The cloud service provider (CSP) manages and runs the computing resources, and the users go for a pay-per-use scheme.
Some brilliant examples of public cloud are Azure, AWS, IBM SmartCloud, Google App Engine, etc.
Private cloud incorporates using exclusive space, which can either be run locally or outsourced to a CSP. It is strictly run on a private network and those in the network can access it.
Some brilliant examples of private cloud are Amazon VPC, IBM, VMware, and HPE.
Those who seek the best of both worlds go for the hybrid cloud. These are partially secure as services run on both private and public clouds.
Great examples of hybrid cloud include Google apps, Google Drive, One Drive and Gmail.
Cloud computing services can be segregated into three sections.
The IaaS service model delivers computer infrastructure as an outsourced entity. Here, users pay on the basis of how much they use, as underlying security, servers, operating systems and networking are provided to develop services and apps.
It is highly cost effective and secure, as well as eliminates the need to manage and maintain the underlying data center. It is often also called Hardware-as-a-Service.
PaaS is where an environment and platform are provided to help the developers in building services and apps over the internet. These are hosted in the cloud and can simply be accessed by the users through a web browser. The provider hosts the software and hardware on their infrastructure, which means the user does not have to incur those costs.
It is highly efficient, convenient and cost effective. It aids the user in managing the lifecycle efficiently.
SaaS facilitates delivering apps and services over the internet. There is no need to install or maintain any of the wares as it can be accessed through the internet. A pay-as-you-go scheme can be opted for from the CSP. Since most SaaS apps run directly from the browser, it is also called web-based software.
It offers scalability, cost effectiveness, and automatic updates. The total time taken is also heavily reduced.
Companies like Instagram, Netflix, Apple and Etsy, among many others, use cloud computing. These multi-million companies resorting to incorporating this technology pertains to the fact that there is something incredibly beneficial that it offers. This cloud computing tutorial and a good training program together will help you excel in this field.
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