IPv6 and CDN's

Sun Nov 28 13:33:53 UTC 2021

Mark Tinka wrote:

>> That facebook poorly managed their DNS to cause the recent disaster
>> is an important evidence to support my point that DNS, so often, may
>> not be helpful for network operations against disastrous failures,
>> including, but not limited to, DNS failures.
> 
> Yes, but that does not mean that DNS is not valuable, or cannot be 
> hardened.

As a person who proposed anycast DNS servers, against which facebook
operated their DNS, I'm so sure you are right.

> I am certain Facebook have hardened their DNS infrastructure, and that 
> particular failure scenario should not recur, given all the clever 
> people there, and around them.

All I can see is that there were a lot of stupid people in facebook.

I really hope less of them still remain there.

						Masataka Ohta