Lucas Pardue
@SimmerVigor
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HTTP/2, HTTP/3 and QUIC @Cloudflare. Co-chair of IETF QUIC WG. Thoughts are my own. Also simmervigor on bsky and mastodon
London, England
Joined May 2012
If you're still trying to get to grips with HTTP/3 and QUIC, this blog post includes a list of all of my Cloudflare TV segments with various deep dives and special guests.
A Last Call for QUIC, a giant leap for the Internet.
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Managing multiple paths for a QUIC connection has entered evalutation by the IESG.
datatracker.ietf.org
This document specifies a multipath extension for the QUIC protocol to enable the simultaneous usage of multiple paths for a single connection. It proposes a standard way to create, delete, and...
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We did get a Wesley Snipes gopher in there 😌
Learn how a common pattern of using Go's HTTP/2 client can lead to unintended errors and the solution to avoiding them.
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HTTP/2-based DoS attacks are here to stay. Many implementations are hardened to them. Quirky behaviour can trigger defenses and cause ENHANCE_YOUR_CALM. Read one of my latest trips down a debugging rabbit hole.
Learn how a common pattern of using Go's HTTP/2 client can lead to unintended errors and the solution to avoiding them.
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About 6 months ago Louis Navarre reached out to report some DoS-related vulnerabilities in quiche's ack processing. We fixed it up and saw no evidence that the vulnerabilities had been exploited. Check out the deep dive blog post:
blog.cloudflare.com
We identified and patched two DDoS vulnerabilities in our QUIC implementation related to packet acknowledgements. Cloudflare customers were not affected. We examine the "Optimistic ACK" attack vector...
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A massive effort from many engineers across multiple teams. Each day we've replaced planks on the fleet of Theseus composed of the ingress proxy (TLS, QUIC and more), and the brain (FL). Our spotters in the crows nest have shouted land ahoy. The beaches are full of rustaceans.
Here's why we’ve replaced the original core system in Cloudflare with a new modular Rust-based proxy, replacing NGINX. https://t.co/FeTtWNom9M
#BirthdayWeek
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Super excited about this. More intel. Deeper insights. Snappier user jounrneys. Happier customers.
The free tier on Cloudflare should be better than paid subscriptions elsewhere. Making sure you're getting the most out of Cloudflare starts with measurement.
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As a MASQUE enthusiast, I approve
We are excited to add QUIC obfuscation for WireGuard, aimed at helping users bypass firewalls and censorship. This new feature is now available on all desktop platforms. The Android & iOS apps will include QUIC obfuscation in future releases. Read more here:
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We’ve deployed MoQ in production! Long time coming and first step to broader adoption
Media over QUIC (MoQ) is a new IETF standard that resolves this conflict, creating a single foundation for sub-second, interactive streaming at a global scale.
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MoQ (media over quic) is a new protocol for streaming — basically pub/sub for media you can check it out running in production here → https://t.co/JGe0UVQyYY and the blog post (very classic cloudflare deepdive you can follow style). @rrnn is a top tier story teller
Media over QUIC (MoQ) is a new IETF standard that resolves this conflict, creating a single foundation for sub-second, interactive streaming at a global scale.
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Come see me talk about gRPC over HTTP/3
We're less than 1 week away! gRPConf 2025 is coming to Sunnyvale on August 26th! Get ready for an amazing event. Register today: https://t.co/vuHosTBRSp -- #gRPC #CloudNative #gRPConf
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We're less than 1 week away! gRPConf 2025 is coming to Sunnyvale on August 26th! Get ready for an amazing event. Register today: https://t.co/vuHosTBRSp -- #gRPC #CloudNative #gRPConf
events.linuxfoundation.org
Unlock gRPC insights at our full-day event. Talks, demos, and networking opportunities await.
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See ya there folks!
🎉 The gRPConf 2025 schedule is live and packed with incredible talks, codelabs, and networking opportunities for gRPC developers of all levels! We can't wait to see you at gRPConf 2025 on August 26th! Schedule: https://t.co/rwNJqYfp1R Register:
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I'm excited to announce I'll be at gRPC Conf on August 26 2025 to present how Cloudflare built its gRPC support first launched in 2020, and how we've been adding gRPC over HTTP/3 support lately. Session details at:
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The AI Preferences (AIPREF) Working Group began work this year to make it easier to express how AI models should use Internet content. Work is well underway on a compressed timeline for delivery. Read the latest progress update and the path ahead: https://t.co/FUyXqJeCu3
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RFC 9421 in action
Bots can start authenticating to Cloudflare using public key cryptography, preventing them from being spoofed and allowing origins to have confidence in their identity.
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An open Internet depends on a model that incentivizes great content to continue to be published. Proud to partner with some of the best publishers and AI services to launch a new model built that rewards high-quality material in a new AI era.
Cloudflare is making it easier for publishers and content creators of all sizes to prevent their content from being scraped for AI training. Here's how:
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Orange Meets, our open-source video calling web application, now supports end-to-end encryption using the MLS protocol with continuous group key agreement. https://t.co/BFgkACVs0U
blog.cloudflare.com
Orange Meets, our open-source video calling web application, now supports end-to-end encryption using the MLS protocol with continuous group key agreement
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So incredibly proud to see @Cloudflare featured in @TIME as one of the most influential companies today. Check it out here ➡️
time.com
Find out why Cloudflare is on the list
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