Info: Algorithm behind the intelligent selection of forwarders

Kevin Darcy kcd at
Thu Jul 26 18:00:07 UTC 2007

X.P.Pratibha wrote:
> Hi Experts
>          Can Any one explain the algorithm behind the intelligent selection
> of forwarders (ie prioritizing the forwarder) based on avaliablity and
> response time in Bind 9.x ? Thanks in advance.
>         Does going for prioritizing forwarders based on RTT really makes
> sense as some query may have been replied from cache and for we would go
> around several iterations before getting a response ?
Perhaps you could suggest a better predictor for the speed at which a 
query is likely to be answered, than the speed at which previous queries 
have been answered in the recent past, by the same node in the network.

                     - Kevin

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