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.

At a very broad level, it is an infrastructure black box where you can deploy applications or virtual machines. If cloud platform is used just to deploy your application, you need not worry about underlying IT infrastructure such 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 continue to gain momemtum. The adoption of cloud is also increasing exponentially in COVID-19 pandemic.

Why is the purpose and benefit of Cloud Computing?

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

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

Reduced IT cost

The cloud computing is brings reduced IT cost. Organization do not need to invest their capital in to adopt new technolgoies and substantially saves on hardware cost, software licensing cost and skilled labour to maintain the infrastructure. So less worry about future CAPEX in maintaining the adopted technolgoies.

Scalability and Elasticity

In the smartphone era, more people are levarging mobile apps for everyday utility functions. Such application demand IT infrastrucure that can scale up (with in a system) or scale out (over multiple systems) to suite run-time needs.  e.g. AWS Auto Scaling keep on monitoring applications. It then automatically adjusts capacity to ensure steady, predictable performance at the lowest possible cost. 

Security

This 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 country specific regulation 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 huge cost.

Business Continuity

Cloud computing offers data protection and business continuity in case of natural disaster, power failure or other crisis. Generally data can mirrored across different redundant geographical locations with cloud service provider. Also data can be accessed quicky 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, minimising 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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