RoundRobin question

William Stacey staceyw at mvps.org
Wed May 19 21:48:25 UTC 2004


Same question.  How would you define that in the db and when would this ever
be useful?

-- 
William Stacey

"Kevin Darcy" <kcd at daimlerchrysler.com> wrote in message
news:c8gbrb$1pjp$1 at sf1.isc.org...
> William Stacey wrote:
>
> >>but underneath each name is 0 or more RRsets, and then even within an
> >>
> >>
> >
> >Wanted to ask this question before as I saw it in the rfc.  When/how
would a
> >0 length node be valid or needed?
> >TIA
> >
> There is such a thing as an "empty non-terminal node". E.g. if
> big.hairy.ape.com owns records, but hairy.ape.com does not, then
> hairy.ape.com would be considered an empty non-terminal node. The reason
> the nameserver needs to keep track of empty non-terminals is because
> those names actually _do_ exist, but don't happen to own any records.
> Queries for such a name would therefore return NODATA (a pseudo-RCODE
> consisting of a NOERROR RCODE and 0 answers) instead of NXDOMAIN.
>
>
>                                                       - Kevin
>
>
>



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