Re: Use cases for optimized DAD (was Re: [DNA-BOF] Do we need aseparate DAD Problem Statement?)

[Pekka Nikander <pekka.nikander@nomadiclab.com>]

Greg,

Pekka Nikander wrote:
>> I am thinking about a situation where a moving node can
>> anticipate, with high probability, the prefix that
>> it is likely to use on the new link.  

Greg Daley wrote:
> I understand that this [...] was for illustrating the point
> with DAD/DNA interaction, rather than as a complete
> solution, though.

Indeed.

> In most cases though, (as discussed before on the list) the
> potential ill-effect of transmitting with the old global
> address is limited to bandwidth utilization on the new link,
> and some packet loss.

Agreed.

> For designing DAD goals, I'd say that the scheme should to be
> applicable for global and link-local addresses.  Also,
> it should be able to be used whether or not DNA is
> completed (although DAD on an off-topology global address
> is likely to give misleading results though).

I concur.

> Ordering need not be strict, if it doesn't lead to
> false behaviour.

Exactly.  A very good summary of my point.

--Pekka