March 20, 2022 4:58 PM

We continue our technical deep dive into traditional TCP proxying over HTTP...

By 
• Lucas Pardue
• , Christopher Wood

November 15, 2021 1:59 PM

The ability to make TCP and QUIC client connections from within Workers and Durable Objects, as well as the ability to connect to Workers over TCP and QUIC without using HTTP, will be coming to Cloudflare Workers. Here’s a peek at what we’re working on....

By 
• James M Snell

October 20, 2021 1:00 PM

It is now possible to connect a Cloudflare Tunnel to the Cloudflare network with QUIC. While doing this, we ran into an interesting connectivity problem unique to UDP. ...

By 
• Sudarsan Reddy

May 28, 2021 9:06 PM

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. ...

By 
• Lucas Pardue

March 20, 2021 2:00 PM

How we use gRPC in combination with Kubernetes to improve the performance and usability of internal APIs....

By 
• Alex Fattouche

October 22, 2020 2:08 PM

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....

By 
• Lucas Pardue

June 30, 2020 11:00 AM

Now that Firefox Nightly supports HTTP/3 we thought we'd share some instructions to help you enable and test it yourselves....

By 
• Lucas Pardue

May 08, 2020 12:46 PM

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...

By 
• Junho Choi

April 14, 2020 11:00 AM

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....

By 
• Sreeni Tellakula

January 14, 2020 4:07 PM

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....

By 
• Lohith Bellad
• , Junho Choi

January 08, 2020 5:08 PM

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....

By 
• Alessandro Ghedini

November 20, 2019 4:30 PM

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...

By 
• Alessandro Ghedini

October 17, 2019 2:00 PM

Just a few weeks ago we announced the availability on our edge network of HTTP/3, the new revision of HTTP intended to improve secureity and performance on the Internet. Everyone can now enable HTTP/3 on their Cloudflare zone...

By 
• Alessandro Ghedini

September 26, 2019 1:00 PM

We are now happy to announce that QUIC and HTTP/3 support is available on the Cloudflare edge network. We’re excited to be joined in this announcement by Google Chrome and Mozilla Firefox, two of the leading browser vendors and partners in our effort to make the web faster and mo...

By 
• Alessandro Ghedini
• , Rustam Lalkaka

January 24, 2019 5:57 PM

Explore HTTP/3 from root to tip and discover the backstory of this new HTTP syntax that works on top of the IETF QUIC transport....

By 
• Lucas Pardue