Then along came Windows 10 and its so-called Delivery Optimization Service (should rather be called Denial-of-Service service), which spams literally dozens of

Then along came Windows 10 and its so-called Delivery Optimization Service (should rather be called Denial-of-Service service), which spams literally dozens of simultaneous TCP connections for downloading updates and thereby effectively monopolises your whole home's internet connection. (Don't know if this has ever been fixed because I've since kept Delivery Optimization turned off and rely on BITS instead, which does indeed seem to work without causing any bandwidth shortage incidents).