tcpcongestion-control

TCP congestion control - Congestion avoidance algorithm

Does congestion avoidance algorithm start with cwnd>=ssthresh or only with cwnd>ssthresh?

cwnd=Congestion windows ssthresh=slow start threshold

Solution

  • Implementations can choose.

    https://www.rfc-editor.org/rfc/rfc5681: When cwnd and ssthresh are equal, the sender may use either slow start or congestion avoidance.