On Fri, 24 Apr 2015, Nathan Ward wrote:
(paul.tinson(a)gmail.com(mailto:paul.tinson(a)gmail.com)) wrote:
Sebastian is correct there are load balancers in the mix.
As in an F5 or something?
Can I ask why? This is widely accepted as a really bad way to build a recursive DNS solution (or an authoritative DNS solution).
It was a step up from having a single physical server[1] completely handle all requests for that IP. Also remember this is 10 years ago when anycast was weird science-fiction technology and network and server guys never meet in same room together[2] let alone had servers talking OSPF to routing devices[3] [1] There was a machine called "alien" and a machine called "terminator". [2] Not everything has changed [3] https://www.nanog.org/meetings/nanog34/presentations/abley.nameservers.pdf -- Simon Lyall | Very Busy | Web: http://www.simonlyall.com/ "To stay awake all night adds a day to your life" - Stilgar