Well, there's a confirmation sequence that's basically a three-phase commit. | Hacker News

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bdamm on July 25, 2019 | parent | context | favorite | on: MQTT: A Conceptual Deep-Dive

Well, there's a confirmation sequence that's basically a three-phase commit.

jonquark on July 25, 2019 | [–]

A QoS 2 flow is 2-phase (Publish and PubRec being the first phase and PubRel and PubComp being the second).

vector3-dot-no on July 25, 2019 | [–]

But that would mean they solved a theoretical and/or practical problem in a practical way and who does that?

/s

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