Elastic Compute Cloud
Secure, resizable compute capacity in the Cloud. Is like a VM that is hosted on AWS instead of your own data center.
Pricing Options
- On Demand: pay only for the time you are running;
- Reserved: reserve capacity for one or three years. Up to 72% discount;
- Spot: purchase unused capacity at a massive discount. You decide a price for each instance based on the demand, and when it goes higher the instance get killed;
- Dedicated: phisical server running EC2 instances only for you. The most expensive options.
On Deman
Super flexible, perfect for first time in the cloud or normal applications.
Reserved Instances
There are three types of reservations:
- Standard RIs: up to 72% off on-demand price. You cannot change to larger or smaller instances types;
- Convertible RIs: up to 54% off on-demand price. You can decide to change the instances type of equal or greater value;
- Scheduled RIs: schedule the reservations between a window of time of the day, week or month.
Spot Instances
This are perfect for application that need to have a very low compute prices or applications that need a large amount of additional computing capacity.
Dedicated
Great for meeting regolatory requirements that do not support multi-tenant virtualization.
- On-Demand: can be purchase on a hourly rate;
- Reserved: can be purchase at a reservation to up to 72% off the on-demand price.
Instance Types
Determinates the hardware of the host computer. Each instance type offers different compute memory, and storage capabilities.
There is a wide selection of instance types, based on the requirements of the application and hardware needed.