Reply To: WinpkFilter affects UDP sockets behaviour

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#6180

Vadim Smirnov
Moderator

WinpkFilter has an internal packet pool for 500 packets. This size was chosen according real networking requirements and can be changed. If this pool is too large it is just waisting of memory, if it is too small it may decrease real network performance. In your test cases these 500 packets were not enough for such high sending rate and many packets were just dropped by WinpkFilter.

TCP is very different from UDP, it won’t send more packets than fit in maximum window size before receiving receipt confirmation. So such situation like you got with UDP is not possible.