October 09, 2015 11:26AM
Single RX queue kernel bypass in Netmap for high packet rate networking
In a previous post we discussed the performance limitations of the Linux kernel network stack. We detailed the available kernel bypass techniques allowing user space programs to receive packets with high throughput....
June 16, 2015 2:47PM
How to receive a million packets per second
Last week during a casual conversation I overheard a colleague saying: "The Linux network stack is slow! You can't expect it to do more than 50 thousand packets per second per core!"...
July 11, 2014 2:00PM
Courage to change things
Speed & Reliability
Life @ Cloudflare
This was an internal email that I sent to the CloudFlare team about how we are not afraid to throw away old code. We thought it was worth sharing with a wider audience....
February 13, 2014 1:00AM
Technical Details Behind a 400Gbps NTP Amplification DDoS Attack
On Monday we mitigated a large DDoS that targeted one of our customers. The attack peaked just shy of 400Gbps. We've seen a handful of other attacks at this scale, but this is the largest attack we've seen that uses NTP amplification....
January 21, 2014 4:00PM
Protect Your Sites With Rapidly Deployed WAF Rules
An attack on your site could be catastrophic. Even a small attack can have major implications. Responding quickly to an attack is imperative....