[everdrive]

I'm not confused about the NAT / firewall distinction, but it might be nice if my ISP didn't have a constant, precise idea of exactly how many connected devices I owned. Can that be _inferred_ with IPv4? Yes, but it's fuzzier.

[doubled112]

Is this solved by the device having between 1 and X randomly generated IPv6 addresses?

Some of my devices have 1, some 2, and some even more. Takes some precision out, at least.

[vel0city]

The ISP still doesn't know how many devices are connected, because a lot of those devices are using randomized and rotating IPs for their outbound connections.

[wredcoll]

Aren't your home addresses assigned by your local router?

[iso1631]

the ISP can see 58 different ipv6 addresses sending packets in the last hour

With ipv4 it can see one ipv4 address

Now sure that 58 could all be on one device with 58 different IPs and using a different one for each connection

In reality that's not the case.

[XorNot]

Okay but why does this matter? They're your ISP they also have your address, credit card number and a technician has been in your home and also supplied the router in the common case.

The theoretical vague problem here is being used to defend a status quo which has led to complete centralization of Internet traffic because of the difficulty of P2P connectivity due to NAT.

[iso1631]

No device on my ipv6 vlans can establish P2P tunnels outside with random clients.

Firewalls and good old monetisation prevented your p2p connectivity utopia, not nat.