Victor Firoiu Xiaohui Zhang Emre Gündüzhan Feedback Output Queuing: A Novel Architecture for Efficient Switching Systems. 15-20 2002 Hot Interconnects http://doi.ieeecomputersociety.org/10.1109/CONECT.2002.1039252 conf/hoti/2002 db/conf/hoti/hoti2002.html#FiroiuZG02