Is ther a tool to show online throughput of a socket

Hi, netstat only shows the traffic per interface, I need traffic information per socket. Is there a tool to do this? Best regards, Guohan ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, sen

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> 3. Did TCP timer (detect 200 or 500 ms each time) doing the same job > under the LINUX kernel? > 4. Any web or book can find detail describe at source code about TCP > timer under both FreeBSD and Linux kernel? Pasi Sarolahti and Alexey Kuznetsov, "Congestion Control in Linux TCP", 2002 USENIX

Bad "bad" retransmit recovery in TCP

hi, I noticed in my TCP trace that there are many bad "bad" retransmit recoveries. That is the packet get lost, the timeout happens. However, when the lost packet are acknowledged, the cwnd of sender is not 2, but resumes the value before timeout. This kind of behavior happens when the RTT i