|New Amazon RDS Reserved DB Instance Offerings||
This release introduces two new Amazon RDS Reserved DB Instance offerings. Starting with API version 2011-12-19, you can choose from a variety of
Reserved DB Instance offering types: Heavy Utilization, Medium Utilization (the traditional Reserved DB Instance offering),
and Light Utilization.
Heavy Utilization is the choice with the lowest overall cost if you plan to utilize your Reserved DB Instances (more than 79 percent of a 3-year term). Medium Utilization is suitable when you expect moderate usage (more than 40 percent of a 3-year term). Light Utilization is the option with lowest overall cost if you anticipate using your Reserved DB Instances infrequently (more than about 15 percent of a 3-year term).
For more information, go to the Amazon RDS Product Page.