Monday 20 August 2018

windows xp - What exactly does QoS packet scheduler do? What are particular real reasons to keep it enabled?


I know what is QoS and don't need general explanations of the term and opinions on what is "QoS packet scheduler" based just on its name. What I am looking for is information on what exactly does Windows "QoS packet scheduler" affect (I suspect it does nothing useful unless there is at least router-side support for its function). Do you happen to know?



Answer



Try this Microsoft KB on Windows XP Quality of Service (QoS) enhancements and behavior.
and this SevenForums discussion referring it.


From a recent article,



20% of your bandwidth is reserved only when QoS tasks are running. When no QoS task is running, by default you have access to 100% of your bandwidth. So by going forward with removing the 20% reserve, essentially you wouldn't be recovering all 20% of your bandwidth; you would be recovering the piece of the 20% that is wasted and unused when a QoS task is running.



All this basically says, you are on the right track not worrying about its effects.


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