On 23.09.21 06:18, Sonal Pahuja wrote:
We have configured a forward zone in bind9  for e164.arpa and in forwarders we 
are giving 2 IPs.
Just wanted to know the mechanism/routing/ Load balancing policy by which bind9 
forwarding to different IPs.


I can see sometimes it routes to same IP always, sometime it forward it in 
round robin way.

bind keeps track of servers that responds fastest and periodically rechecks
the rest.
it's called SRTT algorithm, web search should give some explanations.
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