On Sep 2, 2005, at 9:48 AM, Alexey Kuznetsov wrote:
Hello!
If you overflow the socket's memory bound, it ends up calling
tcp_clamp_window(). (I'm not sure this is really the right thing to
do
here before trying to collapse the queue.)
Collapsing is too expensive procedure, it is rather an emergency
measure.
So, tcp collapses queue, when it is necessary, but it must reduce
window
as well.
Right.
I wonder if clamping the window though is too harsh. Maybe just
setting the rcv_ssthresh down is better? Why the distinction between
in-order and out-of-order data? Because you expect in-order data to be
a persistent case?
-John
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