How bind select NS record during recursive queries

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How bind select NS record during recursive queries

Duleep Thilakarathne
Hi,

How does bind select NS entry during recursive queries  , when the answer section has multiple NS entries.


regards
DT 

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Re: How bind select NS record during recursive queries

Tony Finch
Duleep Thilakarathne <[hidden email]> wrote:
>
> How does bind select NS entry during recursive queries  , when the answer
> section has multiple NS entries.

It's roughly based on measuring the smoothed round trip time (SRTT) to
each nameserver and picking the closest, with a lot of randomness in the
mix. Try searchengineering [BIND SRTT] for lots of discussion of the
algorithm.

Tony.
--
f.anthony.n.finch  <[hidden email]>  http://dotat.at/
a fair, free and open society
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