#CENTR #DNS Talk about "Doing more with less: The secret to cost-effective, energy-efficient DNS"

First, use better software (NSD or Knot, not BIND)

Trick: use XDP

With #XDP, .cz was able to decrease the number of servers (and/or to handle more traffic, specially for hosting .ua, which has to withstand dDoS).

Electric consumption went down by 60%.

To exercice your #DNS server capacity: kxdpgun