Advanced Round Robin Implementation

Barry Margolin barmar at bbnplanet.com
Tue Sep 21 17:54:56 UTC 1999


In article <7s7kre$21f$1 at nnrp1.deja.com>,
Laurent Verhoest  <lolofarwest at my-deja.com> wrote:
>not exactly, you can improve this : you can 'trick' DNS by setting low
>TTL values for those particular records :
>
>www 1 IN x.y.z.w
>www 1 IN x.y.z.w2
>
>This way, clients will get this first IP *almost* always in the first
>place.

Why?  Round robin means that the server will alternate the order of the
records, so half the time it will return

www 1 IN x.y.z.w2
www 1 IN x.y.z.w

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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