How does bind select what master to use?

Matus UHLAR - fantomas uhlar at fantomas.sk
Sat Apr 27 12:52:55 UTC 2013


On 27.04.13 01:03, Kevin Morgan wrote:
>Does it use an algorithm to determine the best server to use or does
>it try the masters in the order they are listed? I am wondering if
>listing the masters in a different order can optimize the performance
>of bind.

AFAIK:
BIND keeps track of servers accessible and their RTT. It tends to prefer
theone with shoertet RTT but ocasionally re-tries (RTT can change over
time. If notice comes, BIND tends to prefer server that has sent it.
-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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    One OS to rule them all, One OS to find them, 
One OS to bring them all and into darkness bind them 


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