A method for rerouting a connection set up along a path calculated between a first node (A.1.2) and a second node (C.2), of a switching network structured into a plurality of peer groups at at least two hierarchical levels, implies that within a peer group along said path, of not the highest hierarchical...http://www.google.com/patents/US6115753?utm_source=gb-gplus-sharePatent US6115753 - Method for rerouting in hierarchically structured networks
