question about loose coupling with gRPC

[skun...@gmail.com]

I'm setting up a microservices architecture, and am confused about how gRPC can loosely-couple services (compared to a pub-sub message service like Kafka or Google pub sub).

Doesn't the request go directly to the server, and not through a pub/sub system? 

I read that gRPC supports asynchronous requests, but should I still use pub/sub as a buffer between services to scale them independently and provide for queuing?

thanks,

imran

[Carl Mastrangelo]

Requests go directly to servers, as determined by the load balancer.  Could you describe what you mean by loosely coupled?

Requests are asynchronous.  You can start a request and finish it in separate steps.  I also don't understand what you are looking for here.  Could you clarify what you want?