[ubuntu] A question about how throttling works if anyone is in the know.

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http://ubuntuforums.org – I'm trying to watch my bandwidth usage and I'm using wondershaper to throttle my speeds, but I got to wondering if it makes a difference server side. The way I understand it, the way bandwidth throttling works is it drops packets to slow speeds, but does the ISP count the packets sent as bandwidth used whether they're dropped or not? Thanks for any information you can give me on this. (Hardware)