primary&secondary

[Kevin Darcy]

Jim Reid wrote:

> >>>>> "Kevin" == Kevin Darcy <kcd at daimlerchrysler.com> writes:
>
>     Kevin> No, I don't mean that resolver routines will "rotate"
>     Kevin> talking to lwresd; rather, lwresd, being a long-running
>     Kevin> process, should be able to reap the benefits of "rotate"
>
> Given that the BIND9 lwresd is actually the name server, there's no
> need for it to "rotate" queries. It'll work like the name server does
> by montoring the RTTs to the name servers it queries as it builds up
> its cache. IIRC, lwresd doesn't (need to) pay any attention to the
> rotate directive in resolv.conf. lwresd acts a bit like a forwarding
> nameserver so there's not much point rotating queries between the
> servers listed in resolv.conf. By running lwresd, the host will already
> have a name server that's capable of resolving queries for itself.

Yes, okay, I see now that the resolver routines used by lwresd do actually
sort by RTT. I thought they were just the old-fashioned sequential
routines. I guess that's why "rotate" disappeared from the BIND 9
resolv.conf parser...


- Kevin