A client could get caught up on one hard POW and not be able to send other messages until they delete it from the sent tab. The ability to set the maximum POW time per message before suspend it and going to the next would probably be better. Alternative: Ability to set the number of processed messages according to the number of cores.
And all means are “good” to achieve this. At the request of ANDRA, POMA has set up in Froncles, in Haute Marne, 40km from Bure, to build a “model”, on a scale of 1:1 of its downhill project. This is the demonstrator.