gRPC C# currently comes with its own HTTP2 implementation, and is basically a wrapper over the C code that implements gRPC and HTTP2 stack. It doesn’t rely on .

gRPC C# currently comes with its own HTTP2 implementation, and is basically a wrapper over the C code that implements gRPC and HTTP2 stack. It doesn’t rely on .NET’s implementation of HTTP2 at all. And it does run on Linux as well as Windows.