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Non-tech person here.

I just want to ask, when you play, say, BF3 on the 360, you're playing on EA's servers right? When you play a game like CoD, it's P2P right (dunno how it exactly works).

So as far as my understanding goes, the X-Box live mainly provides things like the profile, giving messages to other people, etc? They don't actually host anything do they?