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A comment on Delivering Billions of Messages Exactly Once. Parent comment

Re:Delivering Billions of Messages Exactly Once by aetherson on Thursday June 29, 2017 @05:32PM (#14667019)
Exactly once delivery is theoretically impossible.

Approaching exactly once delivery asymptotically is possible. Your parent poster's point is that this is one where you can get so close to exactly once in order that in practice you never violate for years and years.

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Re:Delivering Billions of Messages Exactly Once by rusanu on Thursday June 29, 2017 @06:14PM (#14667281)
My point is that I've seen people making decisions to go with 'best effort delivery' and live with the (costly) consequences because they read here and there that EOIO is impossible, so why bother trying.
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Re:Delivering Billions of Messages Exactly Once by inlined on Thursday June 29, 2017 @09:13PM (#14668056)
Because idempotentcy can be cheap at the application layer, so why try to solve something we know can never truly be solved?
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