A question regarding the db.cache file
Kevin Darcy
kcd at daimlerchrysler.com
Wed Jul 13 02:44:08 UTC 2005
Klas Bengtsson wrote:
>Hi!
>
>I am running a BIND 9.3.0 name server. As I understand it, when BIND first
>starts up, a very low random RTT value is given to each DNS server listed in
>the db.cache file. This ensures that the name server queries all name
>servers before choosing the nearest. If this server, however, becomes
>unreachable, then another one is selected.
>
>
My understanding is that at the "priming" stage, the root servers are
tried at random -- no fudging of RTT values necessary -- until a good
answer is received, and then named stops priming. I could be wrong.
- Kevin
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