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Date:      Sat, 22 Jan 2000 00:13:08 +0100
From:      Andre Oppermann <oppermann@pipeline.ch>
To:        "Louis A. Mamakos" <louie@TransSys.COM>
Cc:        Garance A Drosihn <drosih@rpi.edu>, John Polstra <jdp@polstra.com>, current@FreeBSD.ORG
Subject:   Re: Please help spread the CVSup mirror load more evenly
Message-ID:  <3888E804.1BA82919@pipeline.ch>
References:  <XFMail.000121104339.jdp@polstra.com> <v04210101b4ae72ec9d9f@[128.113.24.47]> <3888D870.2416BFE8@pipeline.ch> <200001212214.RAA02259@whizzo.transsys.com> <3888E18E.F1CBA39B@pipeline.ch> <200001212259.RAA02836@whizzo.transsys.com>

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Louis A. Mamakos wrote:
> 
> > > Second, a domain name can at most a single CNAME record associated
> > > with it, and other other record types.  BIND will (should) barf on a
> > > zone file containing the example you listed.
> >
> > It does not. It will round-robin over the CNAME's.
> 
> If it does, than this is a bug in BIND.  The DNS is not defined to
> work this way.   Semantically, it doesn't make sense to have more
> than one CNAME record.  The CNAME resource record is supposed to
> contain the cannonical name for the domain name that it's associated
> with.  There can be only one cannonical name.
> 
> And it appears that in the latest BIND, they've seen the error of their
> ways:
-snip-

OK, I did it with bind 8.1.2, see my other response to Steinar.

> In any case, this has turned into a debate on how to (ab)use BIND and
> the DNS, and is well off topic.

Back on topic. Do it instead with A records.

Joe Random goes for cvsup.freebsd.org and highly likely wont be
cvsupping more than once a day. Others who do can hardwire to one
specific cvsup server. The best of both worlds with just a few key
strokes and now complies with every imaginable RFC. Uh, I better don't
pray for it.

> > Yea, then all swamp cvsup8.freebsd.org and John has to send another
> > message that there are still cvsup[2-7].freebsd.org idling around.
> > Just kidding... But you get the point?
> 
> My only point is that the first response to a problem isn't to necessarily
> pull out emacs and start hacking away on code.

Yea, it is easier to do in a regular zone file then to implement the
network measurement logic into cvsup.

-- 
Andre


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