### MORE POSTS

January 24, 2024 2:00 PM

###### Introducing Foundations - our open source Rust service foundation library

Foundations is a foundational Rust library, designed to help scale programs for distributed, production-grade systems...

August 14, 2023 1:00 PM

###### Wasm core dumps and debugging Rust in Cloudflare Workers

Debugging Rust and Wasm with Cloudflare Workers involves a lot of the good old time-consuming and nerve-wracking printf'ing strategy. What if there’s a better way? This blog is about enabling and using Wasm core dumps and how you can easily debug Rust in Cloudflare Workers...

June 19, 2023 1:00 PM

###### Every request, every microsecond: scalable machine learning at Cloudflare

We'll describe the technical strategies that have enabled us to expand the number of machine learning features and models, all while substantially reducing the processing time for each HTTP request on our network...

June 19, 2023 1:00 PM

###### How Cloudflare runs machine learning inference in microseconds

How we optimized bot management’s machine learning model execution...

May 12, 2023 1:00 PM

###### How Pingora keeps count

In this blog post, we explain and open source the counting algorithm that powers Pingora. This will be the first of a series of blog posts that share both the Pingora libraries and the ideas behind them...

April 20, 2023 1:00 PM

###### Oxy: Fish/Bumblebee/Splicer subsystems to improve reliability

We split a proxy application into multiple services to improve development agility and reliability. This blog also shares some common patterns we are leveraging to design a system supporting zero-downtime restart...

April 04, 2023 1:00 PM

###### Oxy: the journey of graceful restarts

Deploying new versions of long-lived server software while maintaining a reliable experience is challenging. For oxy, we established several development and operational patterns to increase reliability and reduce friction in deployments...

March 30, 2023 1:00 PM

###### From IP packets to HTTP: the many faces of our Oxy framework

We have recently introduced Oxy, our Rust-based framework for proxies powering many Cloudflare services and products. Today, we will explain why and how it spans various layers of the OSI model, by handling directly raw IP packets, TCP connections and UDP payloads...

March 02, 2023 3:05 PM

###### Oxy is Cloudflare's Rust-based next generation proxy framework

In this blog post, we are proud to introduce Oxy - our modern proxy framework, developed using the Rust programming language...

September 14, 2022 1:00 PM

###### How we built Pingora, the proxy that connects Cloudflare to the Internet

Today we are excited to talk about Pingora, a new HTTP proxy we’ve built in-house using Rust that serves over 1 trillion requests a day...

September 15, 2021 12:59 PM

###### Building Cloudflare Images in Rust and Cloudflare Workers

Using Rust and Cloudflare Workers helps us quickly iterate and deliver product improvements over the coming weeks and months....

September 09, 2021 1:00 PM

###### Native Rust support on Cloudflare Workers

Introducing the Cloudflare Workers Rust SDK: write your entire Worker in Rust, no JavaScript required.
...

August 26, 2021 3:04 PM

###### Pin, Unpin, and why Rust needs them

Using async Rust libraries is usually easy. It's just like using normal Rust code, with a little async or .await here and there. But writing your own async libraries can be hard. ...

December 25, 2020 2:00 PM

###### Using One Cron Parser Everywhere With Rust and Saffron

Cron parsers are everywhere, each supporting their own extensions on the cron string format, which made consistency between parts of Cron Triggers difficult to achieve. Today we’re showing how we easily solved this problem with Rust without needing to write the same code twice....

September 24, 2020 11:00 AM

###### Building even faster interpreters in Rust

Firewall Rules lets customers filter the traffic hitting their site, powered by our Wirefilter engine. We’re excited to share some in-depth optimizations we have recently made to improve the performance of our edge....