Still this is far less simple than Google's "sustained use" discounts, where price automatically drops when I have more constant use pattern. Here I still need to plan upfront, assume my future usage patterns. It seems easier, but in fact you need to make the same decisions as previously.
I also wonder what happens if I make "no upfront" reservation and don't use it? If nothing - why would I use on-demand, while I always can do reservation without upfront?
"No Upfront - You pay nothing upfront but commit to pay for the Reserved Instance over the course of the Reserved Instance term". Presumably, you'll be billed each month (for 12 months) whether you're using it or not. Of course, if you close your AWS account entirely, they'd have to come after you if they wanted to collect -- but if you're not planning to go out of business, then you shouldn't expect to be able to just drop the instance mid-year.
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Still this is far less simple than Google's "sustained use" discounts, where price automatically drops when I have more constant use pattern. Here I still need to plan upfront, assume my future usage patterns. It seems easier, but in fact you need to make the same decisions as previously.
I also wonder what happens if I make "no upfront" reservation and don't use it? If nothing - why would I use on-demand, while I always can do reservation without upfront?
"No Upfront - You pay nothing upfront but commit to pay for the Reserved Instance over the course of the Reserved Instance term". Presumably, you'll be billed each month (for 12 months) whether you're using it or not. Of course, if you close your AWS account entirely, they'd have to come after you if they wanted to collect -- but if you're not planning to go out of business, then you shouldn't expect to be able to just drop the instance mid-year.
OK, then it would behave as the old heavy reservation.