Re: it appears that this whole "ask for AAAA before A" will be painful

[Paul Vixie <paul@vix.com>]

> 	... my 0.02, don't accomodate such cruft. ...

too late.

bind9's caching resolver already handled this condition by using lame servers
as a last resort once all non-lame servers had been tried.  this is bad for
the network, since it means more queries will be spewed into the ether during
actual lame-zone situations.  it also insulates the fools who wrote whatever
load balancer united.com uses from their deserved fate which is to go out of
business (quicker) and not inflict their sloppy implementations on the rest
of us.

however, as of tonight, bind8 does the same thing, following the robustness
principle.  what this looks like is that SERVFAIL is now a nonfunctional
encoding and that EDNS needs to enumerate the error conditions it was intended
to signal, and then we can all live in peace until the load balancer fools
learn about EDNS and decide to "implement" it.

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