To be clear, it was one of CloudFlare's clients, it wasn't a DDOS on them directly: http://blog.cloudflare.com/technical-details-behind-a-400gbps-ntp-amplifica

To be clear, it was one of CloudFlare's clients, it wasn't a DDOS on them directly: http://blog.cloudflare.com/technical-details-behind-a-400gbps-ntp-amplification-ddos-attack http://blog.cloudflare.com/technical-details-behind-a-400gbp... "On Monday we mitigated a large DDoS that targeted one of our customers. The attack peaked just shy of 400Gbps." And yes, it did affect other parts of their network, but they were able to successfully mitigate it. "We saw attack traffic hitting every one of CloudFlare's data centers. While we were generally able to mitigate the attack, it was large enough that it caused network congestion in parts of Europe"