An online gaming application uses TCP and UDP multiplayer features. Route 53 points traffic to Network Load Balancers (NLBs) in multiple AWS Regions. The company needs to improve performance and reduce latency for expected user growth. Which solution meets these requirements?
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Correct answer: Add AWS Global Accelerator in front of the NLBs and configure a Global Accelerator endpoint to use the correct listener ports..
Why this is the answer
AWS Global Accelerator improves performance for global users by directing traffic to the nearest AWS edge location and then routing it over the AWS global network to the application endpoints. This significantly reduces latency and jitter, which is crucial for real-time applications like online gaming using TCP and UDP. Configuring Global Accelerator with the correct listener ports ensures that the gaming traffic reaches the NLBs appropriately. Adding CloudFront would not be suitable because CloudFront is a CDN designed for caching static and dynamic web content (HTTP/HTTPS), not for accelerating real-time TCP/UDP gaming traffic. Replacing NLBs with ALBs is incorrect because ALBs operate at Layer 7 (HTTP/HTTPS) and do not support UDP, which is required by the application. API Gateway is designed for managing APIs and would not be used in front of NLBs for direct gaming traffic.
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