Which Forwarder Does Bind Pick?
sjcarr at gmail.com
Fri Jul 12 17:49:40 UTC 2013
On 12 July 2013 18:44, Jiann-Ming Su <su_js1 at yahoo.com> wrote:
> How does the named process determine when to use one forwarder or both
> forwarders? I'm sniffing the traffic and on some queries, it goes for the
> first one. On other queries, it goes for both. Thanks for any
BIND will query both. It will then look at the response time and go with
the one with the shortest time for future resolutions. Every so often it
will again send queries to both and check the one it picked before is still
the faster of the two and either stay with it or switch accordingly.
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