US Patent 7953016 Method and system for telecommunication apparatus fast fault notification

A method and system for containing a fault in a network node. A loss of all remaining communication links from a node is detected. A time duration from the loss of a first remaining communication link to the loss of a last remaining communication link is determined. It is established that the node has contained a fault when the time duration for the loss of the first remaining communication link to the loss of the last remaining communication link is not more than a predetermined amount of time.