On Thu, Sep 12, 2013 at 6:26 PM, George William Herbert <george.herb...@gmail.com> wrote: > The other subthread about routeability plays into that. For BIGPLACE > environments, you should be considering how many AS numbers independently > host DNS instances for you, in how many geographical regions, and do you have > a backup registrar available spun up...
here's an interesting point... if you are a BIGPLACE, do you want to trust your fate to some third party hosting your dns for you? What about how your internal name service stuff is managed? say you have a practice of using rsh to affect updates across your 4 main dns nodes, adding a 5th or Nth outside where rsh is not possible/desired .... means adding additional processes and cruft to your update process, is this acceptable? Take, for instance the FBI.gov domain 3 days ago, some set of updates happened, their ipv4 servers were answering with a consistent response, their ipv6 nodes were answering with a variety of not correct answers :( In the case of the FBI.gov domain, all of it is handled outside 'fbi.gov hands' (all servers hosted externally) but... -chris