Elastic compute cloud (Amazon EC2) is an web service provided by Amazon Web Services (AWS). Allowing users to run virtual servers in the cloud. EC2 instances provide scalable computing capacity, allowing users to easily deploy and manage applications.
Why we would create EC2?
EC2 instances offers scalable computing capacity, allowing users to easily deploy and manage applications and to leverage scalability and cost-effectiveness.
You can create EC2 instance and SSH into CLI and perform tasks such as hosting websites, running applications.
EC2 pricing model
Spot instance
It provides upto 90% discount and are suitable for short workloads.But might not be reliable for critical workloads.
Reserved instance
It provides upto 72% discount and are suitable for long-term workloads. Instances can be reserved for 1-3 years.
On-demand instance
It provides cheaper pay-as-you-go option with no upfront payment or long-term commitments. They are suitable for applications with unpredictable workloads or short workloads.
Dedicated Hosts
It gives you physical server dedicated for your use.They are good for companies with strong compliance needs or suitable for software that have complicated licensing models.