An online gaming company runs production gaming EC2 instances that must remain available year-round and an analytics application that is interruptible and uses S3 data. Which cost-optimized approach meets these needs?
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Correct answer: Purchase an EC2 Instance Savings Plan for the gaming application instances. Use Spot Instances for the analytics application..
Why this is the answer
The correct approach optimizes cost while meeting availability requirements. EC2 Instance Savings Plans offer significant discounts (up to 72%) compared to On-Demand pricing for a commitment to compute usage, making them ideal for the stable, year-round gaming application instances that require high availability. Spot Instances are a cost-effective choice for the interruptible analytics application, as they can provide up to a 90% discount compared to On-Demand prices, and the application can tolerate interruptions. Using On-Demand Instances for analytics would be more expensive than Spot. Using Spot Instances for the gaming application is not suitable because Spot Instances can be interrupted with short notice, which would compromise the gaming application's required year-round availability. AWS Service Catalog is for governance and provisioning, not directly for cost optimization of running instances.
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