Hello,
I reviewed draft-ietf-homenet-arch-10. The following comment is
about Section 3.4.5 of draft-ietf-homenet-arch-10. The draft states that:
"There are no specific privacy concerns discussed in this text. If
ISPs offer relatively stable IPv6 prefixes to customers, the network
prefix part of addresses associated with the homenet may not change
over a reasonably long period of time. This exposure is similar to
IPv4 networks using NAT, where the IPv4 address received from the ISP
may change over time, but not necessarily that frequently.
The exposure is not similar to IPv4 networks using NAT. There can be
more than one user using an (outgoing) IPv4 address. That is usually
not the case for an outgoing IPv6 address. That can affect legal
interception if the requirement is to target a specific
individual. The issue has indirectly been discussed in IETF RFCs
about address sharing.
Regards,
S. Moonesamy
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