What is Cloud Computing? [2021]

cloud computing

Cloud computing is the delivery of on-demand computing and allied services ranging from applications, storage to networking and processing or computing power. These services are typically delivered over the internet and generally priced on a pay-as-you-go basis. 

Cloud computing is an IT abstraction layer on the internet that provides on-demand provisioning of different hardware and software resources based on SLA.

Cloud is an infrastructure black box where you can deploy applications or virtual machines at a very broad level. If a cloud platform is used just to deploy your application, you need not worry about underlying IT infrastructure such as storage services, processing/computing power, bandwidth, etc for your application unless you choose to manage your own virtual machines.

In order to estimate the popularity of “Cloud Computing”, we can look at its Google trends. The five-year trend chart still shows that cloud computing interest continues to gain momentum. The adoption of cloud computing is also increasing exponentially in the COVID-19 pandemic.

What is the purpose of Cloud Computing? and what are the benefits of Cloud Computing?

Generally, in the Information Technology industry, new technologies arrive constantly. These new technologies generally offer significant advantages over old technologies such as reduced cost. So most businesses start to accommodate the newly available technological stack into their business models. So cloud computing adoption brings improvements such as more business agility business at a reduced cost. 

Cloud computing brings lots of benefits over traditional computing models. We have categorized those into four major pillars.

Reduced IT costs

Cloud computing is brings reduced IT cost. Organizations do not need to invest their capital in adopting new technologies. Leveraging cloud computing substantially saves on hardware cost, software licensing cost, and skilled labor required to maintain the infrastructure. So less worry about future CAPEX in maintaining the adopted technologies.

Scalability and Elasticity

In the smartphone era, more people are leveraging mobile apps for everyday utility functions. Such applications demand IT infrastructure that can scale up (within a system) or scale-out (over multiple systems) to suit run-time needs that can only be provided with cloud computing. e.g. AWS Auto Scaling keeps on monitoring applications. It then automatically adjusts capacity to ensure steady, predictable performance at the lowest possible cost. 


IT and software security is generally a debatable topic based on the type of industry. e.g. some of the banks prefer to keep their data in their own data center. Also, few country-specific regulations prohibit businesses from transferring customer data out of their countries.

Having said that Cloud infrastructure significantly offers more regulatory compliance and infrastructure security to smaller companies. Otherwise, it would have incurred a huge cost.

Business Continuity

Cloud computing offers data protection and business continuity in a natural disaster, power failure, or other crises. Generally, data can be mirrored across different redundant geographical locations with the cloud computing service provider. Also, with cloud computing data can be accessed quickly to reduce latency with edge delivery networks.

Protecting your data and systems is an important part of business continuity planning. Whether you experience a natural disaster, power failure, or other crisis, having your data stored in the cloud ensures it is backed up and protected in a secure and safe location. Being able to access your data again quickly allows you to conduct business as usual, minimizing any downtime and loss of productivity.

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Mandar Pise Opinions expressed by techsutram contributors are their own. More details

Mandar is a seasoned software professional for more than a decade. He is Cloud, AI, IoT, Blockchain and Fintech enthusiast. He writes to benefit others from his experiences. His overall goal is to help people learn about the Cloud, AI, IoT, Blockchain and Fintech and the effects they will have economically and socially in the future.

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