class Protobuf::Rpc::Service

will not have to configure the location each time.
so that any Clients using the Service.client sugar
Useful for system-startup configuration of a service
Allows service-level configuration of location.

def self.configure(config = {})
  self.host = config[:host] if config.key?(:host)
  self.port = config[:port] if config.key?(:port)
end