Patent ID: 8027261

Claim:
A method for tracking network parameters in a communication network formed with nodes and links between the nodes, with access controls for the purpose of limiting a traffic load, wherein the network parameters comprise a link/cost metric with link weights for the links, the method which comprises the following steps, to be performed by a control server: a) regularly determining a traffic matrix for the network; b) determining from the current traffic matrix a blocking probability for traffic, which is subject to an access control; c) performing a check to determine whether the blocking probability satisfies a criterion for a scheduled network operation; d) if the blocking probability does not satisfy the criterion and/or a redetermination for limits used as part of the access controls using the current traffic matrix does not lead to a blocking probability satisfying the criterion, using the current traffic matrix to determine a new link/cost metric for optimizing the transport of traffic through the network; e) determining new values for limits used as part of the access controls on the basis of the new link/cost metric and, following the determination of the new values for the limits, performing a check to determine whether the criterion is satisfied when the limits are re-established at these values; wherein, in step d), the link/cost metric for the transport of traffic through the network is first optimized without taking into consideration error cases, and if the check in step e) establishes that the criterion is not satisfied when the limits are re-established on the basis of the new link/cost metric optimized without taking into consideration error cases, returning to step d) and optimizing the link/cost metric for transporting traffic through the network taking into consideration error cases; and f) if the criterion is satisfied, configuring the link weights with the new link/cost metric in the network and establishing the limits at the new values.