[dns-operations] peak DNS traffic increases

Giovane C. M. Moura giovane.moura at sidn.nl
Fri Mar 27 19:11:31 UTC 2020


> Several of our ISP customers have informed us they are seeing >25% increases
> in peak resolver DNS traffic, plus remarkable shifts in DNS access patterns. 
> The usual 'waves' are all gone. This increase is far bigger than the
> concurrent increase in bandwidth use.

We have evidence of this growth too. By analyzing data at the
authoritative server side (for .nl), we see one ISP sending 16% more
queries (Fig 5 in [1]) -- and this is covers _cache misses_, and it's
for one zone only.

/giovane


[1] https://t.co/y6LHGAUhZa?amp=1


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