A Beginner’s Guide to Cloud Computing

  • Neelam Tyagi
  • May 01, 2020
  • Big Data
  • Updated on: Nov 21, 2020
A Beginner’s Guide to Cloud Computing title banner

Beginning with the history of cloud computing, the concept of computing as a service has been around since the 1960s when the computer authority enabled enterprises to lease time on management instead of buying one themselves, however, cloud computing as a term has been around for the early 2000s.


By the time when time-sharing services were engulfed by the emergence of the personal computer that led to possessing a computer much affordable, and then the development of joint data centers where companies used to collect a massive amount of data.  


Later on, many renting computer access services such as utility computing, application service providers, grid computing have reshaped until cloud computing seized with the evolution of software as a service that hyper-scale cloud computing providers like Amazon Web Services (AWS).  


Cloud computing is widely accepted and implemented by tech giants like Amazon and Google with their platforms amazon web services and google cloud platform, with their business blooming in the 100 billion dollars a year business. This service is broadly dominated by these two giants in the business. One of the prominent reasons why these two are sharing a huge part of cloud service is that it requires a huge database to implement the service and that is not affordable for most companies.


What actually Cloud Computing is 


Cloud computing is the on-demand delivery of IT resources such as computers, databases, and storage via the Internet with pay-as-you-go pricing. - Amazon web services  


In accordance with the above definition, in place of purchasing, owning, and controlling substantial data centers and servers, one can approach technology services, like computing power, storage, and databases, in the terms of an as-needed basis from a cloud provider such as AWS.


In more simple words, cloud computing is a form of outsourcing of software, data storage, and processing. Consumers can access applications and files via sign up from any device that exhibits an internet connection. 


With cloud computing, software, and computing services are subscription-based, users can pay a monthly fee in lieu of purchasing licenses. These software and corresponding platforms are upgraded repeatedly and controlled by the providers for high efficiency and protection. 


For example, a cloud computing provider is Google's Gmail. Gmail users may approach files and applications hosted by Google through the internet-connection from any device.


Outside bodies introduce information and programs and locate on a worldwide network of safe data centers rather than on a user’s hard drive. It redeems processing power, simplifies sharing and association, and approves secure mobile access despite where the user is or which device is being used.



Characteristics of Cloud Computing


All the cloud environment embrace the following key characteristics;


  1. On-demand service: Cloud users may sign up, pay, and initiate deploying cloud resources immediately on their own without the help of the sales agent.  

  2. Measured services: Users can pay charges for the resources they use for a given period of time, instead of paying for hardware and software directly. 

  3. Swift elasticity or extension: Cloud users can quickly measure their usage of resources more or less as per the requirement shifts.

  4. Wide network access: Users can access cloud services through the internet very easily and quickly.     

  5. Resource league: Different users either individuals, organizations, or various departments within an organization all can implement the same servers, storage, and other computing resources. (Source)


Cloud computing with Top 7 benefits


Below are the multiple benefits that flourish cloud computing more efficiently; 


  1. Cost: It removes the expense of purchasing hardware and software and constructs and maintains on-site data centers like the work-frame of servers, continuous electricity for power and cooling, IT experts for regulating the infrastructure. 


  1. Speed: Most of the services under cloud computing are offering self-services and at on-demand, so indeed the huge number of computing resources might be conducted in a few minutes, it delivers businesses much flexibility and takes a burden away from quantity preparation.


  1. Security: Several cloud providers come with multiple sets of policies, technologies, and management to power security systems entirely, it helps in securing data, apps, and infrastructure from promising perils.


  1. Efficiency: Cloud computing services execute over a worldwide secure network of data centers that are upgraded systematically to the most recent production of quick and powerful computing hardware that leads to multiple benefits on a sole allied data center including a reduction in network disconnection for applications.


  1. Worldwide scale: Cloud computing service has the capability to extent elastically, i.e to deliver the right quantity of IT resources. For instance, providing approximate computing power, cache, bandwidth at the correct time when required, and from the well geographic location.


  1. Authenticity: Cloud computing prepares data backup, setback restoration, and business continuum smooth, and less extravagant as data can be reflected at various unnecessary sites at the cloud provider’s network.


  1. Productivity: On-site data centers demand enough frameworks like setting up hardware, software chunks, and other time-consuming tasks IT management. Instead, cloud computing eliminates many of such tasks so that IT teams may invest time and effort in achieving crucial business targets.(in reference with


Types of Cloud Computing


Numerous models of cloud computing, types, and services have emerged to provide favorable results for individual demands. So, not all the clouds are identical and types of cloud computing differ for everyone.  


First of all, one should identify the type of cloud computing architecture or cloud deployment model on which cloud services will be implemented.


1. Public Cloud:


Possessed and regulated by a third-party cloud service provider, the public cloud gives computing belonging such as storage and servers over the internet, for example, Microsoft Azure. Cloud provider retains and operates all the hardware, software, and another upholding infrastructure with the public cloud. A web browser can be used to approach these services and control individual accounts.


2. Private Cloud:


If an organization or a single business is willing to use cloud computing resources entirely, then a private cloud is chosen.  It can be placed physically on-site at the company's data centers. Even though few organizations also disburse third-party service providers to address their private cloud. In a private cloud, services and infrastructure are managed upon a private system.


3. Hybrid Cloud:  


A combination of public and private clouds driven by technology, i.e. hybrid clouds that permit data and relevant applications to be shared among them. A hybrid cloud can deliver huge flexibility, more adaptability, and implementation benefits, and assist one in optimizing current infrastructure, protection, and conformity by enabling data and application to shift among public and private clouds.


This picture is depicting the type of cloud computing as a deployment model and type of cloud services as a service model.

Types of cloud computing and cloud services


Types Of Cloud Service: SaaS, PaaS, and IaaS


Cloud computing is a system predominantly consists of three services:


1. Software-as-a-service (SaaS)


SaaS consists of the licensure of a software application to users. Basically, it gives software applications over the internet on-demand and on a subscription basis. For example, services provided by Microsoft Office 365.


With SaaS, cloud providers present and control the software application and fundamental infrastructure and manage maintenance like any software update and prevention area. Users can connect to the application through a web browser on their mobiles, PC, or tablet over the internet.


2. Platform-as-a-service (PaaS)


PaaS offers the environment on-demand to expand, examine, provide, and handle software applications. It is basically a platform for making quick web or mobile apps that are provided by the internet without considering handing the elemental infrastructure of servers, storage, database, and network required for the development.  For example, platforms like Force.com and Heroku.


3. Infrastructure-as-a-service (IaaS)


IaaS delivers everything from operating systems and networks to servers, virtual machines, and storage via IP connectivity in terms of on-demand services.  For example, IBM Cloud and Microsoft Azure. Users may evade buying software or servers and obtain these assets by outsourced, on-demand service.




Cloud computing is an essential system in order to deliver business applications, it is an ideal approach for enterprises developing their infrastructure or introducing the latest innovations. We have taken a deep overview of cloud computing that includes its characteristics and services, benefits, types, and working. To end this blog, I would recommend you to follow the Analytics Step regularly for consistent learning. You can also follow us on Facebook, Twitter, and LinkedIn