forwarders used in order or based on RTT ?

[Matus UHLAR - fantomas]

On 16.10.20 09:56, Bob Harold wrote:
>The BIND ARM (9.16.2) says:
>"There may be one or more forwarders, and they are queried in turn until
>the list is exhausted
>or an answer is found."
>
>But
>https://lists.isc.org/pipermail/bind-users/2015-August/095544.html
>says:
>"Forwarders are selected based on an RTT(round-trip-time)-based algorithm"
>
>So which is correct?

both are. The ARM does not say they are queried in defined order.
The order is defined by RTT

>And did it change at some point?

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