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by eggsby 4101 days ago
"You Cannot Have Exactly-Once Delivery" is not the same as "Exactly-Once Delivery is expensive".

Which is it?

2 comments

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