Yeah, I was about to say that the GP is overly pessimistic on the technology, since you could always detect metered ISPs and do something different for those (no upstream but lower priority downstream in exchange, for example). In the end, consumers of this CDN also don't want to be known as "that website which caused a 4x internet bill".
> you could always detect metered ISPs and do something different for those
I didn't downvote, but this isn't possible for nearly all users. Whether or not you are metered isn't per-ISP, it depends on your monthly plan with the ISP. Most ISPs serve the majority of their users on metered, with some users paying for the high-end unmetered plans. There is no way to know whether a particular user is metered or unmetered.
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Yeah, I was about to say that the GP is overly pessimistic on the technology, since you could always detect metered ISPs and do something different for those (no upstream but lower priority downstream in exchange, for example). In the end, consumers of this CDN also don't want to be known as "that website which caused a 4x internet bill".
I didn't downvote, but this isn't possible for nearly all users. Whether or not you are metered isn't per-ISP, it depends on your monthly plan with the ISP. Most ISPs serve the majority of their users on metered, with some users paying for the high-end unmetered plans. There is no way to know whether a particular user is metered or unmetered.