DNS pulling BGP routes?

Masataka Ohta mohta at necom830.hpcl.titech.ac.jp
Fri Oct 8 09:15:38 UTC 2021

Sabri Berisha wrote:

> Let's for a moment contemplate about the sheer magnitude of
> their operation. With almost 3 billion users worldwide, can you imagine the
> amount of DNS queries they have to process? Their scale is unprecedented.
That's what I predicted about 20 years ago, which is why
I proposed to have anycast name servers analyzing its

As such I'm sure anycast route withdrawal ignoring rfc3258
is poor engineering.

Scalable solutions can be constructed only with careful
theoretical analysis, against which random hacks, which
may work 99% of the time, are just harmful.

In facebook case, it was combined with poor understanding
on short/long expiration period to cause the disaster.

					Masataka Ohta

More information about the NANOG mailing list