Re vmware, I’m definitely interested in anything folks have discovered about udp performance issues but I have no negative experience to offer. We mix vmware and hardware, but have both auth and query servers on both. Load tests didn’t reveal any issues that made us reconsider.
We had an interesting time when we migrated a DNS server that doubled as our central ntp server into vmware. Later we moved the ntp server back to bare metal somewhere. But the issue was not udp; it was the virtualized “hardware” clock. I have a personal concern about dependencies, e.g. if you ever have to deal with a problem that’s taken a whole vmware cluster down. If the infrastructure or the folks attempting to fix the infrastructure depend on dns, or even if they merely work more efficiently when dns is there, then having that huge single point of failure that takes down dns could have costs. Same for a lot of low-level services. Overall architectures can take this into account. John Wobus Cornell University IT _______________________________________________ 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
