February 20, 2018 7:49 PM
At Cloudflare we like Go. We use it in many in-house software projects as well as parts of bigger pipeline systems. But can we take Go to the next level and use it as a scripting language for our favourite operating system, Linux?...
October 23, 2015 2:24 PM
Compression is one of the most important tools CloudFlare has to accelerate website performance. Compressed content takes less time to transfer, and consequently reduces load times....
October 09, 2015 10:26 AM
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 1:47 PM
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 1:00 PM
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....
January 21, 2014 4:00 PM
An attack on your site could be catastrophic. Even a small attack can have major implications. Responding quickly to an attack is imperative. ...
December 22, 2013 5:00 PM
Back in October I wrote a blog post about CloudFlare and open source software titled CloudFlare And Open Source Software: A Two-Way Street which detailed the many ways in which we use and support open source software....
December 06, 2012 9:19 AM
With the widespread adoption of high bandwidth Internet connections in the home, offices and on mobile devices, limitations in available bandwidth to download web pages have largely been eliminated....
November 06, 2012 9:09 AM
Today, Google's services experienced a limited outage for about 27 minutes over some portions of the Internet. The reason this happened dives into the deep, dark corners of networking. ...
July 03, 2012 3:21 PM
The other day I blogged here about our new Railgun software that speeds up the back haul between CloudFlare data centers and our clients' servers. At CloudFlare we're using a number of different languages depending on the task....
June 19, 2012 3:56 PM
The other day I wrote a long post describing in detail how we used to and how we now store customer passwords. Some people were surprised that we were open about this....
