I see references to NATS multiple times, but I fail to see how it solves what Mats aims to solve? Mats could be implemented on top of NATS, i.e. use NATS as a

I see references to NATS multiple times, but I fail to see how it solves what Mats aims to solve? Mats could be implemented on top of NATS, i.e. use NATS as a backend, instead of JMS. (We use ActiveMQ as the broker)