An ecommerce company hosts an API that handles sales requests. The company hosts the API frontend on Amazon EC2 instances that run behind an Application Load Balancer (ALB). The company hosts the API backend on EC2 instances that perform the transactions. The backend tiers are loosely coupled by an Amazon Simple Queue Service (Amazon SQS) queue. The company anticipates a significant increase in request volume during a new product launch event. The company wants to ensure that the API can handle increased loads successfully. Which solution will meet these requirements?