'Send a ``ClusterStatusCommand`` to an agent after it has acknowledged
the last one.
:param ControlAMP connection: The connection to use to send the
command.  This connection is expected to have previously been sent
such a command and to not yet have acknowledged it.  Internal state
related to this will be used and then updated.'

def _delayed_update_connection(self, connection):

    AGENT_UPDATE_DELAYED(agent=connection).write()
    update = self._current_command[connection]
    update.response.addCallback((lambda ignored: self._schedule_update([connection])))
    self._current_command[connection] = update.set(next_scheduled=True)
