Sunday, May 10, 2020

What is cloud?

“The Cloud” is “The Internet”

In simple word cloud computing is automation of computing resources. Just in few click everything available for user without holding any physical computing resources. User can access these all resources from anywhere or any device.  When something is in the cloud, it means it's stored on Internet servers instead of your computer's hard drive. They have to pay only what they have used. 


There are mainly three of services available in cloud

1.       SaaS

2.       PaaS

3.       IaaS

All the emails in a web-based service are stored on servers rather than on your computer's hard drive. This means you can access your email from any computer with an Internet connection. It also means you'll be able to recover your emails if something happens to your computer. This is called SaaS service. We are using software as service for email. Any Developer can create new software as SaaS services with help of IaaS and PaaS.

Basically, IaaS and PaaS services provided by Cloud service provider companies like AWS, Azure, Google etc. If you want to use cloud computing, you must buy a subscription from these cloud provider company. User must create user id and password to login into portal. After login in portal they can choose the computing service they want to use. Every service has different price plan based on computing power and configuration. Cloud service provider charge to user only what they use. If you want to use cloud computing in any application, please choose computing power very carefully. I will tell you more about it in future post.    


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