zerocopy with Joshua Liebow-Feeser

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netstack.fm

Plabayo BV

11 episodes

19 hours ago

A podcast about networking, Rust, and everything in between. Join us as we explore the stack: from protocols and packet flows to the people and projects building the modern internet — all through the lens of Rust. Featuring deep dives, crate spotlights, and expert interviews.

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zerocopy with Joshua Liebow-Feeser

netstack.fm

1 hour 43 minutes 37 seconds

2 weeks ago

zerocopy with Joshua Liebow-Feeser

Episode 10 – zerocopy with Joshua Liebow-Feeser.

A conversation with Joshua Liebow-Feeser, the developer behind netstack3 and the creator of zerocopy, a crate that makes zero-cost memory manipulation effortless. Originally built for Fuchsia, zerocopy is now used by over 400 crates on crates.io, with nearly 300 million downloads.

We explore the origins of Fuchsia, the creation and purpose of zerocopy, how it works, and why you might want to use it. And of course, we get to know Joshua and his journey so far.

Learn more:

https://model-checking.github.io/kani/ — Kani verifier
https://github.com/rust-lang/rust/issues/99571 — Safe Transmute tracking issue
https://github.com/rust-lang/unsafe-code-guidelines — Unsafe Code Guidelines WG
https://docs.rs/zerocopy/latest/zerocopy/ — ZeroCopy documentation
https://docs.rs/zerocopy-derive/latest/zerocopy_derive/ — ZeroCopy derive macros
https://fuchsia.dev/fuchsia-src/get-started/learn/intro/architecture — Fuchsia networking architecture
https://docs.kernel.org/networking/scaling.html — Scaling in the Linux Networking Stack
https://www.youtube.com/watch?v=rFejpH_tAHM — dotGo 2015 - Rob Pike - Simplicity is Complicated

Rama

If you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.org

Chapters

00:00 Intro
00:39 Introduction to Joshua Liebow-Feeser
01:34 Joshua's Journey into Software Development
11:41 The Origins of Netstack 3
17:21 The Philosophy Behind Netstack 3
23:03 The Role of Rust in Networking
42:57 The Concept and Development of ZeroCopy
53:10 Understanding Zero Copy and Its Constraints
55:11 Exploring Memory Management in Networking
59:23 Challenges with Variable Length Data Formats
01:04:20 Async Programming and Its Implications
01:11:13 Performance Considerations in Networking
01:16:50 Ambition in Software Design and API Simplicity
01:32:13 The Future of Networking and Rust's Role
01:42:42 Outro

Netstack.FM

More information: https://netstack.fm/#episode-10
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Music for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.