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⇱ Cloudflare Makes Open-Source The Rust Code To Tokio-Quiche - Phoronix


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Cloudflare Makes Open-Source The Rust Code To Tokio-Quiche

Written by Michael Larabel in Free Software on 6 November 2025 at 09:55 AM EST. 26 Comments
Cloudflare announced today they have open-sourced the code to Tokio-Quiche as their async QUIC library that combines their previously-open-sourced Quiche QUIC implementation with Rust's Tokio async runtime.

With Tokio-Quiche you end up with a Rust-based asynchronous wrapper around the Quiche QUIC code:
"Today we’re announcing the open sourcing of tokio-quiche, our battle-tested, asynchronous QUIC library combining both quiche and the Rust Tokio async runtime. Powering Cloudflare’s Proxy B in Apple iCloud Private Relay and our next-generation Oxy-based proxies, tokio-quiche handles millions of HTTP/3 requests per second with low latency and high throughput. tokio-quiche also powers Cloudflare Warp’s MASQUE client, replacing our WireGuard tunnels with QUIC-based tunnels, and the async version of h3i."

Tokio-Quiche is available as a Rust Crate.

👁 Cloudflare's Quiche logo


The code is open-source now as part of their Quiche project on GitHub. More details on today's open-source milestone via the Cloudflare blog.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.