Use the inductor to start the process we want to relay data from.

def _startProcess(self):
        """Use the inductor to start the process we want to relay data from.
        """
        connectedDeferred = defer.Deferred()
        processProtocol = RelayProcessProtocol(connectedDeferred)
        self.inductor.execute(processProtocol, *self.inductorArgs)
        return connectedDeferred