I reviewed this paper as part of my Computer Communications course at USC. Introduction YouTube traffic is bursty. These bursts trigger packet losses and stress router queues, causing TCP congestion-control algorithm to kick in. The paper provides an implementation called Trickle, a server side mechanism which uses TCP to rate limit YouTube video streaming. Trickle paces the video stream by placing an upper bound on TCP’s congestion window. YouTube follows the concept of just-in-time delivery i.