Using gRPC, you can utilize the remote procedure call framework to streamline messages between your client and server over HTTP/2. Using gRPC protocol over HTTP/2 enables the use of features like multiplexing to send multiple parallel requests over the same connection. This feature is enabled for Linux workloads across App Service.
Read this Tech Community blog post to learn more about recent architectural changes we made to enable this feature, as well as other key performance improvements and protocol support.
Visit this tutorial How-To deploy a .NET 6 gRPC app on App Service to try out gRPC on App Service today.