(RPC Server only) ack on return of the handler, when the Future is returned but could be before the Future completes.
(RPC Server only) ack on return of the handler, when the Future is returned but could be before the Future completes. Nack is sent in the event of an exception
DEFAULT : Client automatically acknowledges when it receives the message
(RPC Server only) ack on successful completion of the handler future, a failure causes a NAck
Some options for when the server will Ack the request message, clients only have the AckOnReceive auto Ack strategy