A pipelined linecard architecture for receiving, modifying, switching, buffering, queuing and dequeuing packets for transmission in a communications network. The linecard has two paths: the receive path, which carries packets into the switch device from the network, and the transmit path, which carries...http://www.google.de/patents/US6977930?utm_source=gb-gplus-sharePatent US6977930 - Pipelined packet switching and queuing architecture
