Question about nameserver selection mechanism
Eric.Jain at isb-sib.ch
Tue Feb 27 10:45:46 UTC 2007
According to DNS and BIND (5th edition) [http://oreilly.com/catalog/dns5/]
"BIND chooses between a number of nameservers that are authoritative for
the same zone by selecting the nameserver with the lowest round-trip time."
Can anyone point me towards more details about how BIND gathers and
maintains these statistics? Are all nameservers queried right away, or is
at most one nameserver queried for each lookup request (which would mean
that the results would have to be kept in some kind of database)?
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