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Re: Address privacy

Sander Steffann <sander@steffann.nl> Wed, 29 January 2020 00:56 UTC

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From: Sander Steffann <sander@steffann.nl>
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Subject: Re: Address privacy
Date: Wed, 29 Jan 2020 01:56:27 +0100
In-Reply-To: <CALx6S36f41nbj=2fibt9X2EpDO1Rz6o2Fm-QeNMvUfzPCu10jw@mail.gmail.com>
Cc: Ted Lemon <mellon@fugue.com>, Fernando Gont <fgont@si6networks.com>, 6man WG <ipv6@ietf.org>
To: Tom Herbert <tom@herbertland.com>
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Hi,

> Addresses might be correlated to a provider, but no correlations can
> be made between addresses within the provider space so attributing
> different flows to the same user cannot be done. A NAT device with a
> large number backend users would exhibit these properties even in
> IPv4.

It's the "with a large number backend users" bit. In many many situations that's not the case.

Cheers,
Sander

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