According to AWS,
Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. Amazon EC2’s simple web service interface allows you to obtain and configure capacity with minimal friction. It provides you with complete control of your computing resources and lets you run on Amazon’s proven computing environment.
An EC2 instance is nothing but a virtual machine we can create with our preferred choice of specifications in processor, storage, networking, operating system, and purchase model.
These can be used as servers for our business or hosting/deploying our applications or workstations for employees in an organization. Instead of buying a desktop/laptop computer for each of the employee, we can simply create an EC2 instance in AWS and give access to the employee.
We can easily resize, change configuration, install application softwares, terminate the instance and create a new instance whenever needed. We only pay for what we use. No need to buy all the computer hardware upfront.
There are 5 types of EC2 instances available as of now. Read about them in next post.
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