On Thu, Sep 12, 2013 at 5:03 PM, Phil Fagan <philfa...@gmail.com> wrote:
> Everything else remaining equal...is there a standard or expectation for > DNS reliability? > > 98% > 99% > 99.5% > 99.9% > 99.99% > 99.999% > > Measured in queries completed vs. queries lost. > > Whats the consensus? > ICANN new gTLD agreements specified 100% availability for the service, meaning at least 2 DNS IP addresses answered 95% of requests within 500 ms (UDP) or 1500 ms (TCP) for 51+% of the probes, or 99% availability for a single name server, defined as 1 DNS IP address. Rubens