sentences:  In 2000, the Institute of Electrical and Electronics Engineers (IEEE) Communications Society Stephen O.Rice Prize for the best paper in communications theory went to a paper on "Achieving 100% Throughput in an Input-Queued Switch", which McKeown co-authored with Adisak Mekkittikul, Venkat Anantharam and Jean Walrand.The paper discussed dealing with the problem of head-of-line blocking using Virtual Output Queues.