Patent ID: 7852747

Claim:
A method of constructing a repair path around a non-available component in a data communications network having, as components, nodes having a network address and links there between, the method comprising the steps: at each repairing node: for each notifying node that is not the repairing node: while the notifying node is still available: receiving, from the notifying node in the network, a notification identifying: the notifying node, and a set of all components that are adjacent to the notifying node and through which the notifying node is reachable; for each component from the set of all components that are adjacent to the notifying node and through which the notifying node is reachable: deriving, from the notification, a network repair address for use in the event of non-availability of the component identified in the notification; and using the network repair address from the notification, constructing a repair path for the component identified in the notification for use in the event of non-availability of the component identified in the notification; wherein the method is performed by one or more processors.