gRPC-Go
The Go language implementation of gRPC. HTTP/2 based RPC
...It is also applicable in last mile of distributed computing to connect devices, mobile applications and browsers to backend services. Define your service using Protocol Buffers, a powerful binary serialization toolset and language. Install runtime and dev environments with a single line and also scale to millions of RPCs per second with the framework. Automatically generate idiomatic client and server stubs for your service in a variety of languages and platforms. Bi-directional streaming and fully integrated pluggable authentication with HTTP/2-based transport.