A hierarchical scheduler architecture for use with an access node terminal disposed in an access network portion. Ingress flows aggregated via a plurality of aggregation layers are switched through an ATM fabric that segregates flow cells based on service priority categories (planes). Thus, a two-dimensional...http://www.google.de/patents/US7283532?utm_source=gb-gplus-sharePatent US7283532 - Hierarchical scheduler architecture for use with an access node
