An online gaming company needs to optimize the cost of its workloads on AWS. The company uses a dedicated account to host the production environment for its online gaming application and an…

Using On-Demand Instances for the analytics application, which can be interrupted, is not the most cost-effective choice; Spot Instances would provide much greater savings for this type of workload.

Purchasing an EC2 Instance Savings Plan provides significant cost reductions for the always-available, year-round online gaming application due to its consistent usage. Using Spot Instances for the analytics application is highly cost-effective, leveraging unused EC2 capacity at a substantial discount for a workload that can tolerate interruptions and resumption without issue.

Using Spot Instances for the online gaming application, which "must always be available," is inappropriate as Spot Instances can be interrupted, violating the availability requirement for a critical production workload.

Using On-Demand Instances for the online gaming application that runs "all year" and "must always be available" is not the most cost-effective option; Savings Plans or Reserved Instances offer substantial discounts for such predictable, long-running workloads.