In article <mailman.2368.1393596895.20661.bind-us...@lists.isc.org>, houguanghua <houguang...@hotmail.com> wrote:
> If there is a list of NS records, the local name server uses the RTT (round > trip time) algorithm to find the fatest, and queries that server. > But I found it's not right. In the testing, the local name server doesn't > query the fastest authority name server. Some one tells me that if the local > name server gets the RTT to one remote server is les than 30ms, it will not > test RTT to other remote servers, even if the RTT is more less. In other > words, the local server will only query the first remote server with the RTT > less than 30ms. Who would tell me the truth? Thanks! Guanghua > I believe the RTT values are grouped into ranges, and it prefers servers that are in a better range. 30 ms might be in the lowest range, so another server can't be better. -- Barry Margolin Arlington, MA _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
