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eggsby | 11 years ago

"You Cannot Have Exactly-Once Delivery" is not the same as "Exactly-Once Delivery is expensive".

Which is it?

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tylertreat|11 years ago

You cannot have it if the network is unreliable and systems fail. The network is unreliable and systems fail.

nevir|11 years ago

The point is that "Exactly-Once Delivery is expensive" is really just saying "at-most-once delivery with an eventual guarantee of the network healing"