Everything here is my opinion. I do not speak for your employer.
Cloud mDNS, I'll call it. It'll be just like mDNS, except it won't be multicast, it won't work, and its information won't be up to date. Also the latency will be at least hundreds of milliseconds because, you know, cloud.
Try Tailscale: mesh networking, centralized administration, WireGuard.
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