> To make it sure, I'm going to talk about the following bullet of
> Section 3.1:
>
> * (adds to 7.2.6) The Optimistic node MAY send an unsolicited
> Neighbour Advertisement to All Nodes when it first configures an
> address. The Override flag on this advertisement MUST be cleared
> (O=0).
>
> Hmm, I'd still like to remove this bullet, since I don't want to see
> new implementations introduce the optimization just because it's a
> "MAY", without considering the rationale and possible bad effects.
Sorry, I missed that one.
I think the bullet should be reworded to not in any sense recommend sending
such things.
Saying that it isn't illegal for optimistic nodes to send unsolicited NAs
as long as the Override flag is clear should be ok, but the text above talks
about doing something when an address is configured which we should avoid.
How about
An Optimistic node MUST NOT send any unsolicited Neighbor Advertisements
when the address is in Optimistic state, unless the Override flag on
the advertisement is zero.
Erik
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