A full duplex communication processor simultaneously sends and receives frames of data and commands. Separate transmit and receive protocol engines are controlled by separate sequencers. This enables frames of data to be received and transmitted simultaneously without involving a host CPU on a frame-by-frame...http://www.google.de/patents/US6005849?utm_source=gb-gplus-sharePatent US6005849 - Full-duplex communication processor which can be used for fibre channel frames
