A method of diagnosing a fault in a network path comprises the steps, performed at a diagnosing node, of initiating a path discovery test. The diagnosing node receives at least one path discovery test response and identifies the diagnosable node on the network path from a path discovery test response....http://www.google.fr/patents/US7983174?utm_source=gb-gplus-shareBrevet US7983174 - Method and apparatus for diagnosing a fault in a network path
Method and apparatus for diagnosing a fault in a network path
