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Re: IPv6 WG Last Call:draft-ietf-ipv6-optimistic-dad-02.txt



 In your previous mail you wrote:

         This starts a 1 week IPv6 Working Group Last Call on advancing:
   
             Title           : Optimistic Duplicate Address Detection for 
   IPv6

=> I have two concerns about the draft:
 - requirement level keywords are used only in section 3 but
   MUST and must have different meanings. As it is clear than
   the section 3 is not equivalent to the whole document, I believe
   this choice is unfortunate...
 - 2.1 talked about "manually assigned" addresses without formal
   definition, for instance the text only suggests RFC 3041 addresses
   are not included in this "manually assigned". BTW the "should"
   in 2.1 is an example of my previous concern.
A comment: even if this version of optimistic DAD seems to be really
compatible with DAD goals, I still believe that in a mobile environment
the network manager should simply disable DAD (i.e., count=0) on all
nodes on application to the KISS principle.

Thanks

Francis.Dupont@enst-bretagne.fr

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