In a communication system having a plurality of physical communication ports, a hierarchical bond communication interface has a logical interface as a component of the bond at a top level of the hierarchy, and a first subjugate logical interface at a second level of the hierarchy as a component of the...http://www.google.com.au/patents/US7388831?utm_source=gb-gplus-sharePatent US7388831 - Method and apparatus for bond management according to hierarchy
