The invention includes a method and apparatus for determining a routing table for use in a network comprising a plurality of type-one nodes and a plurality of type-two nodes where the type-two nodes use respective type-two routing tables having one next-hop node associated with each of a plurality of...http://www.google.de/patents/US7398438?utm_source=gb-gplus-sharePatent US7398438 - Method and apparatus for improved routing in connectionless networks
