Re: Perils of structured host identifiers (was: Modified EUI-64 format)

[Iljitsch van Beijnum <iljitsch at muada.com>]

On 7 jul 2009, at 15:40, Christian Huitema wrote:

> I think Iljitsch missed the point about privacy. Consider an IPv4  
> enterprise network manager that wants to gain IPv6 access. Embedding  
> the internal IPv4 addresses in the IPv6 address makes these  
> addresses public, while previously they were private. In a stateless  
> scheme, they also become reachable.

I'm not seeing this.

vXuser ----- routers ------ vXserver

v6user -----  NAT64 ------ v4server

In the first case, the addresses are visible everywhere. In the second  
case, the destination address (in one form or another) is visible  
everywhere. How is this suddenly a privacy issue?