TCP Congestion Control Changes to T cP motivated by arpanet congestion collapse Basic principles AIMD Packet conservation Reaching steady state quickly ACK clocking Lecture 19: TCP Congestion ControlLecture 19: TCP Congestion Control 6 TCP Congestion Control • Changes to TCP motivated by ARPANET congestion collapse • Basic principles • AIMD • Packet conservation • Reaching steady state quickly • ACK clocking