A hierarchical packet scheduler using hole-filling and multiple packet buffering. Packet references are enqueued into a hierarchical packet scheduler, wherein the hierarchical packet scheduler includes one or more levels, each level including one or more schedulers being served by one or more threads,...http://www.google.com/patents/US7646779?utm_source=gb-gplus-sharePatent US7646779 - Hierarchical packet scheduler using hole-filling and multiple packet buffering
