Hello! > The new code marks packets in sack holes as lost as soon as three or more packets with higher sequence numbers are sacked and these will then be immediately retransmitted - this should mean that retransmission of lost packets generally happens earlier and recovery is faster. What those chunks of code which you killed with IsReno() do to your opinion? Alexey PS Please, try to format mails more sanely. This one is close to unreadable. 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