SSing is when you yank the stick around or stomp the rudder around in an attempt to fool the software.
Your computer sends positional updates across the internet to the HOST which then sends them on to the other planes near you. If you send confusing data the HOST has to try to interpret it to place your plane in a point in space, in a certain attitude. When players SS they will flip-flop on other players screens in all sorts of crazy positions as the HOST tries to follow thier inputs.
It is a way of 'gaming the game' It takes advantage of a limitaion in the speed of transmissions across the internet. Because a plastic joystick is not connected to a real airplane, it is a way of taking advantage of the fact that you can throw the stick around much faster than a real pilot could.
When a SSer gets into a bad spot (ie an enemy saddles them up for a shot), instead of using real-world Air Combat Manuevoring they start to churn butter to make it impossible to hit them.
AH is the first multi-player WWII sim to address this issue with code that punishes this type of action. Hopefully all the other sims will use a similar system someday.
val
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Scott (val) Valline
Dweebs of Death