There is nothing analogous to the ORB in gRPC, so your complaint seems hallucinated. Callers are entirely responsible for figuring out where their services are.

There is nothing analogous to the ORB in gRPC, so your complaint seems hallucinated. Callers are entirely responsible for figuring out where their services are. gRPC holds no opinions whatsoever about how your servers are named or how their lifecycles are managed. There is not a "bus".