Originally posted by Five, post: 49347:
Stop posting silly guides from forums you just joined!
^ This
Ever seen windows tell you what your adapter speed is? Yes, it probably says 100 MBit/s, maybe even 1 GBit/s.
100 MBit minus 20% is 80 MBit right? So unless you have a 100 MBit connection, this trick does NOTHING.
Oh and this is a
Quality
of
Service... service, "reserved bandwidth" is actually misleading. QoS provides an interface for programs to request priority for their network packets, so they get sent through faster, even if the line is already saturated with other traffic.
Windows XP Quality of Service (QoS) enhancements and behavior
See "Correction of some incorrect claims about Windows XP QoS support"
Edit:
I don't know if it is possible to use QoS for UDP connections - if yes, even the source engine may even use QoS to get priority on it's realtime data, setting this to 0 would then actually make things worse!