Hello Richard,

Even manually configured global addresses should be required
to acquire rights to the corresponding link-local address.  Why not?

Regards,
Charlie P.


Richard Draves wrote:
> 
> I disagree. I think the problem is in the RFC 2462 optimization. The RFC
> 2462 optimization also can fail with manually-configured addresses -
> it's not just a problem with RFC 3041 temporary addresses.
> 
> I'm curious about the implementation status. I know the Windows
> implementation does not implement the RFC 2462 optimization - it
> performs DAD on every address independently. What about other
> implementations?
> 
> Rich
> 
> > -----Original Message-----
> > From: Charles E. Perkins [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, May 31, 2002 10:03 AM
> > To: Hesham Soliman (ERA)
> > Cc: '[EMAIL PROTECTED] '; 'IPng Working Group '
> > Subject: Re: [mobile-ip] Issue #23 and Issue #30
> >
> >
> >
> > Hello Hesham,
> >
> > "Hesham Soliman (ERA)" wrote:
> >
> > > => RFC 2462 makes an optimisation (not a good
> > > one IMHO) that if a node does DAD on link-local
> > > addresses, it 'owns the interface id' for any other
> > > address with any scope.
> >
> > I think this is a good idea.
> >
> > > RFC3041 says that a node can generate a new iid
> > > and does DAD for _that_ address which uses the
> > > new iid. Since this is typically not a link local
> > > address, you could get a conflict if the HA
> > > does not defend all addresses.
> >
> > The problem is that RFC 3041 should require any
> > such node to first acquire rights to the link-local
> > address.  I hope that is viewed as an omission, and
> > one which can be quickly repaired.
> >
> > Regards,
> > Charlie P.
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