May 08, 2020 1:46PM
CUBIC and HyStart++ Support in quiche
Congestion control and loss recovery play a big role in the QUIC transport protocol performance. We recently added support for CUBIC and HyStart++ to quiche, the library powering Cloudflare's QUIC, and lab-based testing shows promising results for performance in lossy network conditions....
April 14, 2020 12:00PM
Comparing HTTP/3 vs. HTTP/2 Performance
We announced support for HTTP/3, the successor to HTTP/2, during Cloudflare’s birthday week last year. Our goal is and has always been to help build a better Internet. Even though HTTP/3 is still in draft status, we've seen a lot of interest from our users....
March 25, 2020 12:00PM
Speeding up Linux disk encryption
Encrypting data at rest is vital for Cloudflare with more than 200 data centres across the world. In this post, we will investigate the performance of disk encryption on Linux and explain how we made it at least two times faster for ourselves and our customers!...
March 19, 2020 12:57PM
Keepalives considered harmful
You’d think keepalives would always be helpful, but turns out reality isn’t always what you expect it to be. It really helps if you read Why does one NGINX worker take all the load? first....