AWS Global Accelerator is the correct choice because it leverages the AWS global network and provides static anycast IP addresses to route TCP and UDP traffic to the nearest healthy endpoint across Regions and it delivers rapid health based failover to improve both availability and latency.

AWS Global Accelerator uses the AWS edge network as a global entry point and then routes packets over the AWS backbone to application endpoints, which reduces internet variability for transport layer traffic and supports both TCP and UDP. It also offers continuous health checks and automatic failover so traffic is directed away from unhealthy endpoints quickly and across Regions.

Amazon Route 53 is DNS based and can perform latency or geolocation routing, but it does not accelerate packet delivery over the AWS data plane nor provide static anycast IP addresses that act as global entry points for TCP and UDP traffic.

Amazon CloudFront is a content delivery network designed for HTTP and HTTPS caching and delivery, and it does not provide global anycast entry points or native acceleration for arbitrary TCP and UDP application endpoints.

Elastic Load Balancing (ELB) distributes traffic across targets within a Region or across Availability Zones and it does not offer global anycast IP addresses or cross Region acceleration over the AWS backbone.

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