May 28, 2021 9:06 PM
QUIC Version 1 is live on Cloudflare
QUIC is a new fast and secure transport protocol. Version 1 has just been published as RFC 9000 and today Cloudflare has enabled support for all customers, come try it out. ...
March 20, 2021 2:00 PM
Moving k8s communication to gRPC
How we use gRPC in combination with Kubernetes to improve the performance and usability of internal APIs....
October 22, 2020 2:08 PM
A Last Call for QUIC, a giant leap for the Internet
QUIC and HTTP/3 are open standards that have been under development in the IETF for almost exactly 4 years. On October 21, 2020, following two rounds of Working Group Last Call, draft 32 of the family of documents that describe QUIC and HTTP/3 were put into IETF Last Call....
June 30, 2020 11:00 AM
How to test HTTP/3 and QUIC with Firefox Nightly
Now that Firefox Nightly supports HTTP/3 we thought we'd share some instructions to help you enable and test it yourselves....
May 08, 2020 12:46 PM
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 con...
April 14, 2020 11:00 AM
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....
January 14, 2020 4:07 PM
A cost-effective and extensible testbed for transport protocol development
At Cloudflare, we develop protocols at multiple layers of the network stack. In the past, we focused on HTTP/1.1, HTTP/2, and TLS 1.3. Now, we are working on QUIC and HTTP/3, which are still in IETF draft, but gaining a lot of interest....
January 08, 2020 5:08 PM
Accelerating UDP packet transmission for QUIC
Significant work has gone into optimizing TCP, UDP hasn't received as much attention, putting QUIC at a disadvantage. Let's explore a few tricks that help mitigate this....
November 20, 2019 4:30 PM
Even faster connection establishment with QUIC 0-RTT resumption
One of the more interesting features introduced by TLS 1.3, the latest revision of the TLS protocol, was the so called “zero roundtrip time connection resumption”, a mode of operation that allows a client to start sending application data, such as HTTP requests...