AWS App Mesh increases default limits on several resources
AWS App Mesh is a service mesh that provides application-level networking to standardize how your services communicate, giving you end-to-end visibility and enables options to tune for high-availability of your applications. App Mesh has now increased the default limits for a set of resources – virtual nodes, and virtual gateways. These limit increases make it easier for you to manage larger applications with App Mesh.
Source:: Amazon AWS