RoundRobin question

[Barry Margolin]

In article <c8grsu$2969$1 at sf1.isc.org>,
 "William Stacey" <staceyw at mvps.org> wrote:

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

Suppose you have a domain mycompany.com.  You might have web servers for 
different divisions, www.division1.mycompany.com, 
www.division2.mycompany.com, etc.  In the zone file you would enter:

www.division1 IN A <address>
www.division2 IN A <address>

> -- 
> 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
> >
> >
> >

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***