Originally Posted by ctpuk
I've been looking into this for my own project.
If redundancy is the goal, why not have a pair of servers (primary and standby BES) at each site?
I think you'd need to run BMS too, but it can run on a low resource machine and monitor all the BESs. The only issue would be if your comms went down and the BMS couldn't see one of the HA pairs.
Actually that is something I hadn't thought of, might be worth looking into.