Nearly all iot stuff we make at work are air gapped, used on ski places or in industry with strict firewalls etc. CDNs are basically impossible there since eve

Nearly all iot stuff we make at work are air gapped, used on ski places or in industry with strict firewalls etc. CDNs are basically impossible there since even if we could allow a single ip to be routed through from Wan to the iot device, since CDNs don't have a fixed IP