John,

The primary issue is whether the ND spec itself should benefit.

The behavior of DAD failure is an example. RFC 2461 currently has a built-in DoS
hole in that it specifies the host should shut down the interface if there is a
DAD failure. This is a perfect opportunity for propagating a successful DoS
attack, and is not restricted to MIP.

By burying the solution for this into the MIP spec, it removes the possibility
that wider IPv6 nodes can benefit.

However, there are other proposed ND optimizations that are purely mobile
specific. Some of these are in the MIP spec, some aren't. I think it makes some
sense to group these into a seperate spec in the MIP group.

            jak

----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Monday, November 18, 2002 7:48 PM
Subject: RE: MIPv6 and ND value changes


> Hi Erik,
>
> > So while I don't want to slow down the MIPv6 specification or the
> > implementation and deployment, I think breaking out these pieces will help
> > with specification and protocol modularity, which makes it easier and
quicker
> > to revise the specifications along the standards track etc.
>
> So, perhaps my comment is a bit naive, but as the changes have been
> discussed in the MIP WG and many people think the changes are
> sane in the IPv6 WG ... I wonder what would be accomplished by
> breaking them out in a seperate document.  Since the IPv6
> WG will be working updating ND, could not the MIPv6 draft
> make the recommendations and then these recomentations be taken
> as the starting point for the ND discussions in the IETF?
>
> John
>
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