A. Add an Amazon CloudFront distribution in front of the NLBs. Increase the Cache-Control max-age parameter.
B. Replace the NLBs with Application Load Balancers (ALBs). Configure Route 53 to use latency-based routing.
C. Add AWS Global Accelerator in front of the NLBs. Configure a Global Accelerator endpoint to use the correct listener ports.
D. Add an Amazon API Gateway endpoint behind the NLBs. Enable API caching. Override method caching for the different stages.

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