On Mon, Nov 27, 2000 at 09:19:32AM -0500, Brian Haberman wrote:
> >         Title           : Automatic Prefix Delegation Protocol for Internet
> >                           Protocol Version 6 (IPv6)
> >         Author(s)       : B. Haberman, J. Martin
> >         Filename        : draft-haberman-ipngwg-auto-prefix-00.txt

First comments, and a question:

1. I suggest to swap the "Routing capabilites" with the "Reserved" field 
   in 5.1 Prefix Request Message; and also the "Lifetime" with the "Rt Proto"
   field in 5.2 Prefix Delegation Message.

   This way, the 16 bit field is naturally aligned (assuming alignment of 
   the whole packet buffer) and can be accessed more efficient by a lot of
   devices.

2. This one is probably covered by "6. To Do's: additional security
   discussion"...

   My impression is that there are all sorts of DOS (and worse) attacks
   possible if no authentication header is used. (This happens for lots of
   routing-like protools, of course.) This must be pointed out in the Security
   Discussion.

3. What are the differences  between this protocol and Router Renumbering?
   What are the interactions between this protocol and Router Renumbering?

Regards,
        -is

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