On 27 July 2010 22:26, Raja Subramanian <rajasuper...@gmail.com> wrote: > 2010/7/27 Balaji Narayanan (பாலாஜி நாராயணன்) <li...@balajin.net> >> Beware of using Open DNS. Some of the edge caching systems relies on >> routing you to a nearest server based on where the DNS query >> originated from. And if you are using a Open DNS server, you might be >> sent to a cache closer to the DNS server resulting in unwanted >> latency. > > Great point. But note that the problem is not specific to OpenDNS > alone. Any hosted DNS service has exactly the same problem.
True, but the assumption is that the ISP has some clue not to use a DNS server half way across the globe. > > Perhaps the best option is to run bind as a caching name server > for local users. IIRC, the default config of every distro is to run > bind as a pure cache only name server. I am not sure. I run a ubuntu box and it does not have bind installed by default. > > However, OpenDNS/GoogleDNS/etc have some neat technology > deployed through UDP Anycast. Good reading for any networking > enthusiast. And in any case, these services are far better than > the DNS infrastructure provided by Indian ISPs. For the technology wise, yes, but again, I assume that ISPs have atleast a caching name server installed closer to you. -balaji -- http://balajin.net/blog http://flic.kr/balajijegan _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
