AWS App Mesh introduces support for customizable Envoy access log format for Virtual Nodes and Virtual Gateways. It enables you to diagnose your services with customized logging focusing on specific aspects that are important to you. AWS App Mesh is a service mesh that provides application-level networking to make it easier for your services to communicate with each other across multiple types of compute infrastructure. AWS App Mesh standardizes how your services communicate, giving you end-to-end visibility and options to tune for high-availability of your applications.
Source:: Amazon AWS