> This seems to lead me to one of two conclusions:
> 
> - Address lookup is significantly more complex in the presence of
> site-local than if only global-scoped addresses are used
> 
> - I missed something.

I concur with the first conclusion.  But the problem is not limited to 
name-to-address lookup - it applies to any means of obtaining addresses.  
Even if you could fix DNS to work in the presence of scoped addresses it 
wouldn't solve the problems with those other means of obtaining
addresses.

(while I'd probably agree that 99% of apps do use name-to-address lookup
to obtain addresses, that doesn't mean that even those apps use it as
their only means of obtaining addressess)

Keith
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