From: Yuchung Cheng
Date: Fri, 16 Oct 2015 21:57:40 -0700
> RACK (Recent ACK) loss recovery uses the notion of time instead of
> packet sequence (FACK) or counts (dupthresh).
>
> It's inspired by the FACK heuristic in tcp_mark_lost_retrans(): when a
> limited transmit (new data packet) is sacked
RACK (Recent ACK) loss recovery uses the notion of time instead of
packet sequence (FACK) or counts (dupthresh).
It's inspired by the FACK heuristic in tcp_mark_lost_retrans(): when a
limited transmit (new data packet) is sacked in recovery, then any
retransmission sent before that newly sacked pa
