[dns-operations] Bailiwick stats? Idea for mitigation...
vixie at isc.org
Sun Aug 10 18:28:34 UTC 2008
> So, what we were thinking of is doing the following: When a cached entry
> is about to be overwritten with something different, do an additional
> request. The material in that additional request has to be equal to that
> 'something different' before the cached entry is overwritten.
far end load balancers (including those made by cisco) won't always answer
equally. if you repeat a query N times, then in the end you'll have to
either pick the last one or a random one.
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