A method is disclosed for computing routing information for a data communications network comprising a plurality of nodes. The method comprises the step performed at a computing node of receiving from a remote node in the network a routing information update representing a change of state of the network....http://www.google.fr/patents/US7710882?utm_source=gb-gplus-shareBrevet US7710882 - Method and apparatus for computing routing information for a data communications network
Method and apparatus for computing routing information for a data ...