The subject matter described herein includes methods, systems, and computer program products for load balanced and symmetric SPF path computations for VoIP traffic engineering. One method includes advertising an output interface cost in a first direction over a first network segment between a source...http://www.google.de/patents/US7969890?utm_source=gb-gplus-sharePatent US7969890 - Methods, systems, and computer program products for load balanced and symmetric path computations for VoIP traffic engineering
