Re: snd_cwnd drawn and quartered

[Werner Almesberger <wa@xxxxxxxxxxxxxxx>]

kuznet@xxxxxxxxxxxxx wrote:
> We receive some amount of dupacks for segments >high_seq, before ACK
> for retransmitted 99th segment arrives and terminates recovery. You meaned
> this, right? :-)

Yes, that's it.

> Yup, this is bug. OK, this case is sorted out. I think that small fix
> proposed by you is enough for beginning.

I think, in addition to this fix, you also need to do RTO upon loss
of retransmission. Otherwise, my fix would make you halve cwnd only
once in this case.

- Werner

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 / Werner Almesberger, Buenos Aires, Argentina         wa@xxxxxxxxxxxxxxx /
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