> The go/no-go decision was effectively just sending the final CRC bytes correctly or deliberately incorrectly, thus invalidating the outbound packet that was already 99% sent.
This trick will get you banned on some of exchanges now :)
Another one, which is public knowledge for years, and also often penalized, is to send TCP fragment with header of the message well in advance, "booking" place in the queue. Then send the finishing fragment with the real order after doing all the calculations.
This trick will get you banned on some of exchanges now :)
Another one, which is public knowledge for years, and also often penalized, is to send TCP fragment with header of the message well in advance, "booking" place in the queue. Then send the finishing fragment with the real order after doing all the calculations.