It's a nice idea, but to implement would be quite complex/involved. Firstly, there would likely need to be the concept of a master node along with some mechanism for voting/election. Also, there would need to be changes across all 4 modules (dmq, dmq_usrloc, usrloc and nathelper) to make it work. On top of that, we'd need to consider what happens when a node is restored and takes back its IP.

In any case, to select the correct node to take over keepalives, we'd need to know where the IP had been (re)assigned. In your current setup, how do you decide which host takes over the IP (if at all) in the event of a failure?

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