| 摘要 |
<p>An optical network element comprising a management unit for receiving a management signal, wherein the management unit comprises at least two substantially identical management components, each management component arranged, in use, to independently receive and process the management signal in a manner such that, in use, the processing conducted by one of the components recognises if a management task associated with the received management signal is executed by the other component, whereby double execution of the task is being avoided. <IMAGE></p> |
