On Tue, January 10, 2012 08:04, Drunkard Zhang wrote: > I am designing a big deploy system, which will implement via DNS. The > demond is misc, one of them is conditionally resolve, which means that > if one CDN node near unavailable, or latency increased significantly, > no matter why, I want bind to give another second best result, which > located in distant places. > > Is bind support this natively? Or I have to write external program? > > If bind doesn't support, is there any other DNS impletions I can try? > _______________________________________________
F5 have an entire product range of Load Balancers, which with a combination of Link Controllers, Global Traffic Managers as well as standard Local Traffic load-balancing can control traffic in a particularly fine-grained way. Their product range is utlised by quite a few big-players in conjunction with CDNs such as Akamai etc... I suspect their pricing will turn out to be quite expensive, but if you need specific 'dynamic' DNS resolution, based on latency, client IP geo-location etc... then they are the commercial solution I would consider. I am sure that many other companies have similar product offerings (so as not to make this a specific plug for a commercial product on a non-commercial mailing list). _______________________________________________ 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