Hello! > After a while, the lost segments are retransmitted and properly > acknowledged. After a while? Did you not forget that SACKs are invalidated after RTO? > However, the segments previously SACK'ed are not > included in this acknowledgement, forcing retransmission of them. And this smells like severe bug at receiver side. > AFAIK, since the reciever has sent an SACK for a segment, it is received > OK and probably buffered And apparently discarded, as soon as receiver does not send them more. :-) > For a visual description, see the zoomed tcptrace/xplot output at > http://www.cse.kau.se/~di5alfs/tt/closeup.ps Anyway, if you still did not know answer, send normal tcpdump, please. I cannot read such graphical exersizes anyway. Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
