grpc

https://github.com/grpc/grpc
https://github.com/grpc/grpc-go
https://github.com/grpc

https://grpc.io/docs/quickstart/
https://grpc.io/docs/what-is-grpc/introduction/
https://github.com/grpc/grpc.io/blob/master/content/docs/what-is-grpc/core-concepts.md

https://grpc.io/docs/what-is-grpc/core-concepts/