H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/24 (2006.01) H04L 12/56 (2006.01) H04L 29/04 (2006.01)
Patent
CA 2317979
A method for distributed managing of restoration paths within a communication network having nodes connected by links; comprising the steps of: (a) establishing a spare link catalog identifying unassigned links connecting each selected node with an adjacent node; (b) sending a probe message from each node to each adjacent node over an unassigned link; (c) evaluating the probe message at each adjacent node according to predetermined criteria; (d) forwarding the probe message to subsequent adjacent nodes, or discarding the probe message, as determined by the evaluating; (e) appending message content to the probe message indicating the path sequence traversed by the probe message proceeding through the network; (f) evaluating the forwarded probe message at each said subsequent node according to the predetermined criteria; (g) repeating steps (d) through (f) for each forwarded probe message until it is discarded or is received by the probe message originating node; (h) the probe message originating node noting each message receipt of its own probe message, each such message receipt including a recital of a restoration path in the path sequence; and (i) recording each message receipt in a restoration path register in a data store at a plurality of selected storage nodes.
Chao Tzu-Lien Tim
Darabpour Manouchehr
Alcatel Usa Sourcing Lp
Robic
LandOfFree
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