Fwd: Info: Algorithm behind the intelligent selection of forwarders

X.P.Pratibha x.p.pratibha at gmail.com
Thu Sep 27 10:00:21 UTC 2007

Hey..That is reallly good piece of info . Thanks!!!
On 9/26/07, blrmaani <blrmaani at gmail.com> wrote:
> In BIND 9.3.2 and above, the forwarder selection algorithm works
> something like this:
> 1. Assign huge random values as SRTT values to all forwarders at
> start.
> 2. Adjust the SRTT based on the Round trip delay when a forwarders
> responds.
> 3. Select the Best forwarder for responding the subsequent queries.
>    best forwarder is the one with lower SRTT value.
> Use rndc dumpdb to get a dump of all forwarders. The values are stored
> in named.dump_db file.
> Blr
> --
> "When you are not practicing,remember,someone somewhere is practicising
> and when you meet him he will win."

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