AWS Global Accelerator

AWS Global Accelerator is a networking service that improves the performance, reliability and security of your online applications using AWS Global Infrastructure. AWS Global Accelerator can be deployed in front of your Network Load Balancers, Application Load Balancers, AWS EC2 instances, and Elastic IPs, any of which could serve as Regional endpoints for your application.

Since AWS Global Accelerator operates at layer 4 of the OSI model, it can be used with any TCP/UDP application. You pay the Data Transfer-Premium fee of AWS Global Accelerator (on top of Data Transfer Out charges) in addition to an hourly accelerator fee to improve the performance and availability of your applications. 

In a nutshell, Global Accelerator improves the security, reliability, and performance of user-facing applications.