gRPC is more than just a data protocol to me. Imagine writing JSON/Rest, you have to define end point/router, convert/encode data into JSON/text. With gRPC, a

gRPC is more than just a data protocol to me. Imagine writing JSON/Rest, you have to define end point/router, convert/encode data into JSON/text. With gRPC, all are done for you, the data is ready and pass to your function handler directly without you writing any glue code.