Which AWS service or feature improves network performance by sending traffic through the AWS worldwide network infrastructure?

Explanations:

Route tables are used in Amazon VPC to control the routing of traffic within a Virtual Private Cloud (VPC) but do not enhance network performance by leveraging the AWS worldwide network infrastructure.

AWS Transit Gateway facilitates communication between multiple VPCs and on-premises networks but does not specifically improve network performance through the AWS global network infrastructure.

AWS Global Accelerator improves network performance by routing user traffic through the AWS global network infrastructure, optimizing the path to the application and reducing latency.

Amazon VPC (Virtual Private Cloud) allows users to create a logically isolated network within AWS but does not inherently improve network performance across the global AWS infrastructure.