nanog mailing list archives

Re: DNS pulling BGP routes?


From: Bill Woodcock <woody () pch net>
Date: Sat, 9 Oct 2021 13:25:48 +0200



On Oct 9, 2021, at 10:37 AM, Masataka Ohta <mohta () necom830 hpcl titech ac jp> wrote:
It may be that facebook uses all the four name server IP addresses
in each edge node. But, it effectively kills essential redundancy
of DNS to have two or more name servers (at separate locations)
and the natural consequence is, as you can see, mass disaster.

Yep.  I think we even had a NANOG talk on exactly that specific topic a long time ago.

https://www.pch.net/resources/Papers/dns-service-architecture/dns-service-architecture-v10.pdf

                                -Bill

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