Problem on round robin DNS

[Barry Margolin]

In article <20000523125125.A88713 at lucifer.bart.nl>,
Jeroen Ruigrok van der Werven  <asmodai at bart.nl> wrote:
>-On [20000523 06:46], Ching, Calvin KW (Calvin.KW.Ching at cwhkt.com) wrote:
>>A round robin DNS is configured to return two IP addresses of a domain name,
>>e.g. www.abc.com. It is supposed that it can return the IP in strictly round
>>robin fashion like the following:
>
>[snip]
>
>>However, we found that it is not strictly following this sequence. It
>>sometimes returns like this:

Are you sure you're the only one querying the server?  If someone else is
also looking up the same name while you are, they'll interrupt your
sequence.

>For all I know, its totally random what the server returns as the first
>address.

By default it's strict round-robin, although in BIND 8 you can configure
other orders, including random.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
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