Posts Tagged ‘SIDN’

Local DNS-anycast, SIDN’s revolutionary new approach in response to the DDoS rat race

As the administrator of .nl, SIDN is responsible for the functional stability and development of the Netherlands’ country-code top-level domain (TLD). LeaseWeb recently became the first company to implement SIDN’s local anycast technology in its network. Marco Davids, Technical Advisor at SIDN, explains how local anycast differs from regular anycast.

At SIDN we operate an impressive DNS-infrastructure: available at all times, under all circumstances, and designed to reply to thousands of DNS-queries per second. The downside of such a powerful infrastructure is that it can function quite well as a reflector for amplifying DDoS-traffic. And thus, besides using open resolvers, the bad guys also abuse (our) powerful authoritative name servers to amplify their malicious DDoS-traffic.

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