Patent ID: 7082099

Claim:
A system for managing a layered network comprising: detecting means for detecting a fault or degraded performance of a lower layer line as an event, said lower layer line being a connection line in a lower layer; layer line determining means for determining an upper layer line which is affected by the detected event, the upper layer line being a connection line in an upper layer above the lower layer; control means for conducting a control on said upper layer line; control activity storing means for storing control activities for an upper layer line and execution conditions for the control activities in association with contents of events and the upper layer line; and determining means operative when an event is detected and an upper layer line is extracted for referencing said control content storing means to determine whether or not an execution condition for a control activity corresponding to contents of the detected event and the extracted upper layer line is satisfied and for instructing said control means to execute the control activity when said determining means determines the execution condition is satisfied.