In your previous mail you wrote:
> => I don't want to replace IPv4 by IPv6 next month, I want to get
> dual stacks as default ASAP. RFC 2553 is for dual stacks and
> dual stack is the main transition tool.
On dual stacks, user can usually disable ipv6. Examples of this are Linux
or BSD which nowadays ship ipv6-enabled by default. However, some users
can turn it off intentionally or unitentionally. As Itojun pointed out,
recompiling the user space is not usually an option.
=> this is Itojun's choice, he mentioned it because he knows
that it is not mine (:-).
So, porting applications so that they can handle both gracefully is the
way it should be done for about 5+ next years.
=> ah! I understand where we disagree. For me the 5+ next years began
at the end of 1995 so the delay is expired... The IPv4 mapped stuff is
enough in my environment to catch legacy applications.
Regards
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