On Wed, 2003-03-26 at 13:42, Jun-ichiro itojun Hagino wrote:
> >> note the mechanism is called DAD not DIID. this has
> >> been discussed to death numerous times, please refer to the archive.
> >I know. Means people still disagree about it.
>
> how can you prevent random other node to assign P::X (which you are
> using and verified fe80::X by DAD) on the interface?
If X is a new ID for the other node, it would have to do DAD with
fe80::X. If the node alrady owns X, it could skip the DAD.
In any case, I defend my id X against all possible prefix::X, so the
other node will no be able to take it no matter what prefix it uses.
> DIID does not work in practice.
It does work if everyone follows the same rules.
Besides, if you do DAD for every address, a new prefix appearing in a RA
will cause a DAD storm as every node on the link will attempt to
configure a new address at the same time.
MikaL
--------------------------------------------------------------------
IETF IPng Working Group Mailing List
IPng Home Page: http://playground.sun.com/ipng
FTP archive: ftp://playground.sun.com/pub/ipng
Direct all administrative requests to [EMAIL PROTECTED]
--------------------------------------------------------------------
