Patent ID: 8787178

Claim:
A method for monitoring an operational state of a telecommunication network having a first level comprising a plurality of managed entities and a second level comprising a management system for managing the managed entities of the first level, the method comprising: propagating a first notification of a first type within the first level from a first managed entity to a second managed entity via successive other managed entities back from the second managed entity towards the first managed entity; transmitting a notification of a second type from one of the plurality of managed entities to the management system, the notification of a second type indicating that the first notification of a first type has propagated from the first managed entity to the second managed entity via successive other managed entities back to the first managed entity; and once the first notification of the first type has been received by the first managed entity, propagating a second notification of the first type within the first level from a managed entity other than the first managed entity via successive other managed entities back towards the managed entity from which the second notification of the first type was propagated.