Speaking of prefix delegation, has anybody ever proposed what a home network is supposed to do with them? I believe the intent of handing out a /56 is that the customer can create up to 256 /64 subnets, but why?
If I was to subnet at home, I could imagine doing it to isolate security risks: Like creating VLANs and subnets for IoT, security system, guest WiFi, and my personal devices. That's four. I can't imagine a use for 16, let alone 256, and nobody (even if they know how) is going to do that unless it's automatic. I have a notion that there could be a protocol for devices to announce a classification that they belong to, and a router could sort them into VLANs and subnets automatically. You'd do it to isolate the WiFi refrigerator from the computers and phones because when the fridge model is discontinued it stops getting security updates, but you're not turning it off because food still needs to stay cold. That Harry Potter sorting hat protocol doesn't exist, but I could imagine it. Are there any other ideas out there for what the heck someone is supposed to do with a /56 prefix delegation?
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