On Sep 2, 2005, at 10:05 AM, [EMAIL PROTECTED] wrote:
This particular Win2k sender sends _only_ real-time data, it's not
capable of rewinding. So it's always sending small packets, from start
to finish, yet the problem still occurs.
Note that even real-time data can end up generating a stream of
full-size packets occassionally. It's just very unlikely they would
occur at the start of the flow, as market data is very thin in the
pre-market open hours.
The rcv_ssthresh growth can actually take place anywhere in the flow,
not just at the beginning.
But, that window clamping should fix the problem, as we recalculate
the window to advertise.
Patches for testing are very much welcome...
Have you tried increasing the size of the receive buffer yet?
-John
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