A method for estimating the network-layer topology of a telecommunications network is described. In particular, the illustrative embodiment of the present invention estimates the existence and connectivity of nodes in the topology based on the detection of network-wide end-to-end path intersections....http://www.google.com/patents/US7720005?utm_source=gb-gplus-sharePatent US7720005 - Estimating network-layer topology using end-to-end measurements
