On Sun, 2012-08-05 at 11:14 -0700, Yuchung Cheng wrote: > On Sun, Aug 5, 2012 at 10:35 AM, Eric Dumazet <[email protected]> wrote: > > On Sun, 2012-08-05 at 19:26 +0200, Eric Dumazet wrote: > > > >> It could be a flaw in linux implementation, I admit we had so many bugs > >> that it could very well be still buggy. > > > > And at first glance, the following tcpdump seems suspect : We can see > > all ACK are delayed by about 40 ms > but RFC 3168 (sec 6.1.3) does not mandate immediate ACKs for ECE > marked ones? is this because ECN response is per round-trip? >
We should IMHO not delay ACKS, exactly like we react to a dropped packet. If not specified in RFC 3168, it seems a forgotten point. _______________________________________________ Codel mailing list [email protected] https://lists.bufferbloat.net/listinfo/codel
