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episode 37: dial9: from black box to insight in Tokio.In this episode of Netstack.fm, Glen talks with Jess Izen and Russell Cohen from Amazon about Dial9, a new tool for understanding what’s happening inside Rust and Tokio applications. They explain how it captures events from different layers of your system and puts them into a single timeline, making it much easier to debug tricky performance issues and unexpected behavior.They also share how Dial9 came out of real debugging challenges at Amazon, where engineers often had to rely on complex, low level tools. The goal with Dial9 is to make those kinds of insights more accessible, so developers can diagnose problems faster and with less guesswork, while the tool continues to evolve with new features and improvements.Learn more:https://tokio.rs/blog/2026-03-18-dial9 — Introducing dial9: a flight recorder for Tokiohttps://github.com/dial9-rs/dial9-tokio-telemetry — source code (Tokio Telemetry you can run in production)https://github.com/dial9-rs/dial9-tokio-telemetry/blob/main/dial9-trace-format/SPEC.md — trace format spechttps://www.youtube.com/watch?v=zJOzU_6Mf7Q — demo walkthrough (slightly outdated)https://github.com/dial9-rs/dial9-tokio-telemetry/blob/main/dial9-tokio-telemetry/examples/production_use.rs — exampleRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro02:01 Meet Russell and Jess05:27 The Mission of the Rust Team at Amazon11:47 Integration with OpenTelemetry and Tracing13:49 The Evolution of Dial 917:17 Comparing Dial 9 with Existing Tools20:07 Continue exploring history and development and UX of Dial933:47 Building Self-Serve Solutions36:22 perf sched38:30 Task Dumps41:17 Dial 9: almost a free lunch43:00 Cross-Platform Considerations for Dial 946:20 Future Features and Improvements for Dial 950:20 Dial 9 usage today54:31 Considerations before using Dial 901:03:05 Getting Started with Dial 901:05:30 OutroNetstack.FMMore information: https://netstack.fm/#episode-37Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

Episode 36 – Protocol Shorts: WireGuardIn this Protocol Shorts episode of netstack.fm, we explore WireGuard, a modern and lightweight VPN protocol. Glen explains what makes it different from traditional VPNs and why its simplicity and security model are gaining attention among developers.The episode also highlights real world use cases and why VPNs like WireGuard remain essential for securely accessing private resources.Learn more:https://www.wireguard.com/ — official website of WireGuardhttps://www.wireguard.com/papers/wireguard.pdf — WireGuard whitepaperhttps://www.youtube.com/watch?v=OipNNLHLphw — Black Hat USA 2018 - WireGuard Next Generation Secure Network Tunnel RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:18 Introduction to WireGuard01:41 WireGuard Properties03:24 Why WireGuard?07:43 Current Use Cases and Adoption of WireGuard11:42 Get started with WireGuard14:37 Final Words15:17 OutroNetstack.FMMore information: https://netstack.fm/#episode-36Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox.Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 35 – OpenTelemetry, eBPF and Metoro (Ep 3 Remastered).In this remastered episode, Chris Batterbee, co-founder of Metoro, discusses the importance of observability in modern software systems, particularly in Kubernetes environments. He explains how Metoro leverages eBPF technology to simplify observability by automatically instrumenting applications. The discussion also covers the integration of OpenTelemetry, the challenges faced by developers in implementing observability, and the potential of AI in diagnosing issues. Chris shares insights from his experience with Y Combinator and the competitive landscape of observability tools, emphasizing the unique position of Metoro in the market.Learn more about OpenTelemetry, eBPF and Metoro:https://opentelemetry.io/https://ebpf.io/https://metoro.io/metoro demo: https://demo.us-east.metoro.io/guardian?startEnd=&service=OpenTelemetry metric examplar: https://opentelemetry.io/docs/specs/otel/metrics/data-model/#exemplarsRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:34 Into to Chris Battarbee02:36 Understanding eBPF and Its Role in Observability10:13 Integrating OpenTelemetry with eBPF15:05 Challenges and Experiences with OpenTelemetry22:28 Future of eBPF and OpenTelemetry in Different Environments27:53 YCombinator Experience29:31 Insights from Y Combinator Experience32:31 Networking and Community in Y Combinator34:43 Raising Funds Post-Y Combinator35:39 Post-Y Combinator Relationship with YC36:27 OpenTelemetry Pain Points38:31 The Future of OpenTelemetry and Standards39:47 Competition with Major Cloud Providers41:40 Understanding eBPF and Its Challenges43:24 Prometheus vs. OpenTelemetry44:40 AI Integration in Telemetry45:36 Metoro49:03 Profiling51:43 Metoro Payment Models53:57 Customer Engagement and Support55:09 OutroNetstack.FMMore information: https://netstack.fm/#episode-35Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 34 — Tokio with Carl Lerche (Ep 5 Remastered).In this remastered episode, Glen speaks with Carl Lerche, the creator and maintainer of the Tokio Runtime, about his journey into technology, the evolution of programming languages, and the impact of Rust on the software development landscape. They discuss the rise of async programming, the development of networking libraries, and the future of Rust in infrastructure. Carl shares insights on the creation of the Bytes crate, the implications of io_uring, and his role at Amazon. The conversation also touches on the upcoming Tokio conference and the introduction of Toasty, a new query engine for Rust.Learn more:https://tokio.rs/https://www.tokioconf.com/https://github.com/carllercheRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:26 Introduction to Carl and His Journey in Tech16:30 How Carl got into Rust21:18 How Mio/Tokio begun47:15 The Evolution of IO-URing and Its Practicality53:11 Amazon's Adoption of Rust and Tokyo55:06 Transitioning Leadership in the Tokyo Project57:15 Toasty01:08:55 AI in Software Development: A Tool for Productivity01:25:53 First Tokio Conference01:34:28 OutroNetstack.FMMore information: https://netstack.fm/#episode-34Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 33 – Protocol Shorts: TLS Encrypted Client Hello.This episode explores TLS Encrypted Client Hello (ECH) and how it improves privacy on the internet by hiding sensitive metadata that was previously exposed during the TLS handshake. While traditional TLS encrypts the actual data exchanged between client and server, key details like the Server Name Indication (SNI), which reveals the website you are visiting, remained visible to intermediaries such as ISPs or network middleboxes.Glen explains how ECH addresses this gap by encrypting most of the Client Hello message using keys obtained via secure DNS, preventing third parties from easily identifying user activity. The discussion also covers real-world implications, including the impact on network infrastructure that relies on traffic inspection and the role of cloud providers in TLS termination.Learn more:https://datatracker.ietf.org/doc/rfc9849/ — TLS Encrypted Client Hellohttps://blog.cloudflare.com/encrypted-client-hello/ — Practical explanation of ECH and deploymenthttps://developer.mozilla.org/en-US/docs/Web/Security/Transport_Layer_Security — TLS fundamentals and handshake overviewhttps://www.cloudflare.com/learning/ssl/what-happens-in-a-tls-handshake/ — another TLS handshake overviewhttps://tls12.xargs.org/ — a tls 1.2 handshake, explained byte by bytehttps://tls13.xargs.org/ — a tls 1.3 handshake, explained byte by bytehttps://www.rfc-editor.org/rfc/rfc8446 — TLS 1.3 specification and handshake detailshttps://blog.mozilla.org/security/2021/01/07/encrypted-client-hello-the-future-of-esni-in-firefox/ — Firefox perspective on ECH adoptionhttps://blog.mozilla.org/security/2021/01/07/encrypted-client-hello-the-future-of-esni-in-firefox/ — Firefox perspective on ECH adoptionhttps://samueloph.dev/blog/i-use-curl-with-ech-btw-in-debian/ — blog article about adding ECH into curlhttps://www.rfc-editor.org/rfc/rfc9460 — a DNS record type that publishes connection parameters for a servicehttps://fosdem.org/2026/schedule/event/CKANPK-programmable_networking_with_rama/ — FOSDEM 2026 talk about RamaRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:27 Understanding the TLS Handshake Process06:54 Understanding Middle Boxes and Network Behavior08:33 The Privacy Gap in Network Traffic14:08 Current Usage and Future of ECH18:00 Consequences of ECH for Existing Infrastructures24:19 Future of ECH: Privacy vs. Trust26:32 OutroNetstack.FMMore information: https://netstack.fm/#episode-33Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 32 – Datastar and Hypermedia.In this remastered episode, Glen interviews Delaney, the creator of DataStar, a lightweight framework designed for building real-time collaborative web applications. Delaney shares his journey from being a 3D artist to a developer, emphasizing the importance of hypermedia and real-time visualization. The conversation delves into the efficiency of DataStar, its use of Server-Sent Events (SSE), and the framework's potential for collaborative web experiences. Delaney also discusses the challenges of WebSockets and introduces future projects like DarkStar, aimed at enhancing networking capabilities. Overall, the episode highlights the transformative potential of DataStar in modern web development. In this conversation, Delaney discusses the intricacies of DataStar, a real-time system for handling large volumes of messages. He emphasizes the importance of simplicity in programming, the significance of measuring performance, and the role of abstraction in software development. Delaney also explains the core functions of DataStar, including patch elements and signals, and how they facilitate real-time interactivity. The discussion touches on offline support, the growth of the DataStar community, and the non-profit model that supports its development. Delaney encourages developers to engage with the community and emphasizes the importance of building solutions to real problems.Learn more about Datastar and Hypermedia:https://data-star.dev/https://data-star.dev/reference/datastar_prohttps://hypermedia.systems/RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:12 Delaney and his background03:09 The Evolution of Hypermedia and Real-Time Systems06:58 SSE and Compression16:04 The Social Web23:32 Why use datastar?30:12 Web Transport and Darkstar34:26 Final Thoughts on DataStar and Future Directions46:35 Understanding Abstraction in Programming49:18 Event Sourcing and Efficiency in Systems50:50 DataStar: Key Functions and Concepts53:58 Signals in DataStar: When to Use Them57:56 Front-End Validation and User Experience59:58 Offline Support and Web Applications01:03:26 The Growth of DataStar and Community Engagement01:07:39 The Challenges of Web Development01:09:56 AI and Its Role in Development01:13:52 DataStar and WebTransport: Future Directions01:17:03 Dynamic Content and DataStar's Use Cases01:19:06 Funding and Sustainability of Open Source Projects01:31:32 OutroNetstack.FMMore information: https://netstack.fm/#episode-32Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

episode 31 — Protocol Shorts: MITM Proxies and Transparent L4 Interception.In this second "Protocol Shorts" episode, we look at man-in-the-middle proxies from the transport layer up. The episode explains how HTTP proxies, HTTP CONNECT, and SOCKS5 differ, why they all assume a proxy-aware client, and what changes when a transparent layer 4 proxy is inserted by the operating system instead.From there, we dig into protocol detection from the first bytes on the wire and into the BridgeIo abstraction in Rama: a way to relay and inspect stacked handshakes incrementally instead of terminating every protocol upfront.Learn more:https://netstack.fm/#episode-23 — Protocol Shorts: HTTP as an Application Bushttps://ramaproxy.org/book/proxies/intro.html — Intro to proxies in the Ramabookhttps://ramaproxy.org/book/proxies/http.html — HTTP(S) proxies in the Rama boohttps://ramaproxy.org/book/proxies/socks5.html — SOCKS5 proxies in the Rama bookhttps://ramaproxy.org/book/proxies/mitm.html — MITM proxies in the Rama book</></li>https://ramaproxy.org/book/proxies/protocol_inspection.html — Protocolinspection in the Rama bookhttps://ramaproxy.org/book/proxies/operate/transparent.html — Operating transparent proxies with Ramahttps://github.com/plabayo/rama/tree/main/ffi/apple/examples/transparent_proxy — MacOS Transparent Proxy (Rama) exampleRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:00 Understanding Proxies: The Basics01:18 Diving Deeper into Proxy Types04:16 Layer 4 Proxies: A New Approach05:23 Challenges of Transparent Proxies07:53 Bridging Conversations: A New Insight09:53 Example: HTTPS request within a SOCKS5 tunnel13:41 Layer 4 Proxies and Protocol Reconstruction15:15 OutroNetstack.FMMore information: https://netstack.fm/#episode-31Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 30: uReq with Martin Algesten.In this episode, we take a deep dive into uReq: why it was created, its history and origin, a high level overview, and explore in depth its protocols and implementation details. Learn more:https://github.com/algesten/ureq — A simple, safe HTTP clienthttps://github.com/algesten/ureq/blob/main/src/run.rs - example on how uReq and Sans IO come togetherhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Expect — Expect 100 Continuehttps://github.com/algesten — Github profile of Martin Algestenhttps://github.com/algesten/str0m — A Sans I/O WebRTC implementation in Rusthttps://netstack.fm/#episode-16 — WebRTC and Sans IO with Martin AlgestenRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:58 Get to know Martin06:46 Evolution of uReq: From Simplicity to Compliance20:35 Sans IO26:58 uReq prior to Sans IO30:57 Practical Examples: Handling Complex Protocols50:54 Sans IO in Str0m and uReq55:01 Handling Proxies and DNS Resolution01:02:51 The Future of uReq and uReq Proto01:07:06 Sans IO and h201:09:00 Final Thoughts and Community Feedback01:20:09 OutroNetstack.FMMore information: https://netstack.fm/#episode-30Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

Episode 29 – Hyper with Sean McArthur (Ep 2 Remastered).In this remastered episode, Glen interviews Sean McArthur, the creator and maintainer of the Hyper ecosystem. They discuss Sean's journey in software engineering, the evolution of Rust and asynchronous programming, and the growth of Hyper from its inception at Mozilla to its current status in the web development landscape. Sean shares insights on the creation of hyper, hyper-util, http, headers, the Warp framework, and the challenges of integrating HTTP/3 and QUIC. The conversation also touches on collaboration with cURL, the FFI layer, and Sean's aspirations for the future of Hyper and the broader ecosystem.Learn more about Sean McArthur, Hyper and Warp:https://seanmonstar.com/https://seanmonstar.com/sponsor/https://hyper.rs/https://seanmonstar.com/blog/async-hyper/https://github.com/hyperium/hyperhttps://github.com/seanmonstar/warphttps://seanmonstar.com/blog/warp/RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Episode remaster notes00:37 Intro01:21 Get to know Sean McArthur and his origins in Rust08:32 The Impact of Mozilla on Sean's Career10:47 A short history of Hyper21:52 hyper-util, http and headers crates33:46 Warp36:14 Hyper's Core Focus and Future Directions38:21 Integrating HTTP/2 and HTTP/3 Support40:19 The reqwest crate45:04 The Complexities of HTTP/3 Integration48:40 Reflections on the cURL and Hyper Collaboration55:51 Future Aspirations for Hyper59:21 Encouraging Community Engagement in Open Source01:02:40 OutroNetstack.FMMore information: https://netstack.fm/#episode-29Original episode was: https://netstack.fm/#episode-2Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

episode 28: socketioxide with Théodore Prévot.This episode features an in-depth conversation with Théodore Prévot, creator and maintainer of the Rust crate socketioxide. We explore the origins of the project, how a personal writing app led to implementing a full Socket.IO server in Rust, and what it takes to build and maintain a high-level real-time protocol on top of Tokio, Tower, and the Rust HTTP ecosystem.Théodore walks us through the layered architecture of Engine.IO and Socket.IO, explains concepts like rooms, namespaces, acknowledgements, adapters, and connection recovery, and reflects on protocol versioning and compatibility challenges. We also dive into one of the hardest technical problems behind socketioxide: building a custom lazy JSON deserializer wrapper around Serde to efficiently route and decode mixed JSON and binary payloads.Finally, we discuss abstraction boundaries, async runtime considerations, integration testing strategies, the possibility of a Rust client implementation, and what motivates long-term open source maintenance.Learn more:https://docs.rs/socketioxide/latest/socketioxide/ — socketioxide documentationhttps://github.com/Totodore/socketioxide — socketioxide GitHub repositoryhttps://totodore.github.io/serde-wrapper/ — Custom Serde deserializer articlehttps://socket.io/docs/v4/ — Official Socket.IO documentationhttps://github.com/socketio/engine.io-protocol — Engine.IO protocol referencehttps://www.youtube.com/watch?v=HEhhWL1oUTM — Talk featuring Théodore PrévotRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:04 Get to know Théodore Prévot06:43 The origins of socketioxide08:50 Understanding Engine.IO and Its Role11:43 The Evolution of Socket.IO and Its Features22:49 Integration with Other Protocols and Frameworks25:45 Understanding the boundaries of Socket.IO vs Engine.IO35:38 Custom JSON Deserialization Challenges40:54 Navigating Socket.IO Versioning47:02 Abstraction in socketioxide57:04 Future Directions for socketioxide01:05:26 OutroNetstack.FMMore information: https://netstack.fm/#episode-28Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 27: AI Policies, OSS Maintenance and EU Open Source Academy with Daniel Stenberg.This episode features a deep and pragmatic conversation with Daniel Stenberg, founder of cURL and president of the European Open Source Academy, reflecting on FOSDEM 2026, the growing role of open source in European policy, and what digital sovereignty means in practice; Daniel shares the motivation behind the EU funded Open Source Academy, discusses how maintainers are dealing with the rise of AI generated security reports, explains why cURL shut down its bug bounty program, and offers a balanced view on where LLM tools genuinely help in code review and security research versus where they create noise, all while highlighting the long term realities of maintaining critical infrastructure software for decades.Learn more:https://curl.se — cURL websitehttps://daniel.haxx.se/blog/ — Daniel Stenberg bloghttps://fosdem.org — FOSDEMhttps://github.com/bagder/fosdem — FOSDEM tips repositoryhttps://europeanopensource.academy — European Open Source AcademyRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:21 Navigating FOSDEM: Insights and Experiences06:16 The Role of Open Source in Policy and Society10:53 Polhemsrådet and European Open Source Aacademy23:19 The Future of Bug Bounty Programs and AI's Role32:35 Good use of LLM technologies in context of cURL42:32 Daniel's personal LLM usage47:28 how AI might evolve and impact cURL in future53:08 The Future of AI in Software Development56:02 Continuous Improvement in Curl01:02:12 Mentorship and Community in Open Source01:07:41 Very quick intro to some more obscure protocols supported by cURL01:18:54 OutroNetstack.FMMore information: https://netstack.fm/#episode-27Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 26: Email protocols with Mauro De Gennaro from Stalwart Labs.This episode features an in depth conversation with Mauro De Gennaro of Stalwart Labs that demystifies how email actually works in practice, from SMTP delivery and DNS based routing to IMAP, JMAP, spam filtering, encryption, and authentication standards like DKIM, SPF, and DMARC, all through the lens of building and operating a modern mail and collaboration server in Rust; Mauro shares his long personal journey from early BBS systems to founding Stalwart, explains why email protocols have evolved the way they have, how self hosting email can be practical and secure today, and why open standards, automation, and memory safety are key to reclaiming control over critical communication infrastructure.Learn more:https://stalw.art — Websitehttps://github.com/stalwartlabs — GitHub orghttps://github.com/stalwartlabs/stalwart — GitHub repositoryhttps://stalw.art/docs — Documentation (including installation instructions)https://stalw.art/slides — Product presentation slideshttps://fosdem.org/2026/schedule/event/FP8EFX-scaling-email/ — FOSDEM 2026 talkhttps://www.ietf.org/meeting/125/ — IETF 125 ShenzenRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:50 Get to know Mauro De Gennaro08:44 Origins of Stalwart12:24 The Evolution of Stalwart and Its Features14:59 Life of a mail sent to a Stalwart server18:14 Understanding Email Transmission and Protocols22:54 Combination of Email with Calendar and Contacts26:37 Email File Attachments31:56 Stalwart and ACME39:44 Email Address validation44:47 Exploring the Sieve Protocol for Mail Filtering47:54 Email RFCs and standarization54:39 Experiences at FOSDEM and the Future of Email56:50 The Case for Self-Hosting Email Solutions01:00:27 Backup Strategies for Self-Hosted Email Servers01:04:35 Ensuring Redundancy and Reliability in Email Hosting01:12:38 Comparing Email Protocols: SMTP, POP3, and IMAP01:16:25 Shared Inboxes and Automated Email01:24:26 Understanding Email Authentication Standards01:27:54 ARC, SPF, DKIM and DMARC01:33:24 Integrating AI with Email Systems01:36:03 Self-Hosting Considerations01:39:31 Getting Started with Stalwart01:41:54 OutroNetstack.FMMore information: https://netstack.fm/#episode-26Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 25: FOSDEM 2026 special.Recorded live from FOSDEM 2026.Learn more:https://fosdem.org/2026/ — FOSDEM 2026 websitehttps://fosdem.org/2026/schedule/event/CKANPK-programmable_networking_with_rama/ — FOSDEM 2026 rama talkhttps://www.nlnetlabs.nl/ — NLnet Labs websitehttps://github.com/NLnetLabs/roto — roto github repohttps://fosdem.org/2026/schedule/event/DS7LFX-rust-roto-calling-jit-compiled-scripts/ — FOSDEM 2026 roto talkhttps://ratatui.rs/ — ratatui websitehttps://orhun.dev/ — website from OrhunRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:47 Intro interview Terts (NLNetLabs)02:00 Roto04:06 What's next for Roto06:56 Tert's reflections on FOSDEM09:49 Networking and Community Building11:28 Rust Week (NL)12:32 Closing Thoughts and Community Encouragement13:45 Intro Interview Orhun (Ratatui)21:13 Reflections on FOSDEM 202622:47 Preview of next week's episode23:26 OutroNetstack.FMMore information: https://netstack.fm/#episode-25Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 24: WebAssembly and Rust in Practice, A Conversation with Alex Crichton.In this episode we sit down with Alex Crichton to talk about WebAssembly and Rust in practice. We discuss how Wasm grew beyond the browser into a serious runtime for servers and plugins, and why Rust fits so well in this space.We also explore WASI, the component model, and lessons from building Wasmtime, covering performance, security, and what it takes to run Wasm in production.Learn more:https://github.com/alexcrichton — Alex Crichtton on GitHubhttps://webassembly.org/ — WebAssembly overview and introductionhttps://wasi.dev/ — WASI introduction and goalshttps://component-model.bytecodealliance.org/ — WebAssembly component model documentationhttps://bytecodealliance.org/ — Bytecode Alliance home pagehttps://wasmtime.dev/ — Wasmtime runtime home pagehttps://docs.wasmtime.dev/ — Wasmtime documentationhttps://docs.rs/wasmtime/latest/wasmtime/ — Wasmtime Rust API documentationhttps://github.com/bytecodealliance/wasmtime — Wasmtime source codehttps://github.com/bytecodealliance/wasm-tools — wasm tools used throughout the Wasmtime ecosystemhttps://github.com/bytecodealliance/wit-bindgen/ — wit bindgen tooling for the component modelhttps://webassembly.github.io/spec/ — WebAssembly specification renderinghttps://github.com/WebAssembly/WASI — WASI specification repositoryhttps://github.com/WebAssembly/proposals/ — Active WebAssembly proposalshttps://bytecodealliance.org/articles/ — Bytecode Alliance blog and technical articlesRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:42 Introduction to Alex Crichton and His Journey04:14 Understanding WebAssembly: Basics and Benefits07:35 Challenges of WebAssembly and DOM Access16:29 Exploring WASI: The WebAssembly System Interface31:11 The Relationship Between WebAssembly and WASI34:43 Understanding WebAssembly Instructions37:09 The Role of Compilers in WebAssembly40:07 Exploring Roto and WebAssembly Integration42:19 Garbage Collection in WebAssembly44:17 Dynamic Libraries and Code Sharing in WebAssembly45:49 Core WebAssembly and Its Layers48:39 The Component Model's Evolution51:25 String Handling in WebAssembly54:26 Simplifying WebAssembly for Developers55:30 Specifications and Documentation in WebAssembly57:31 Asynchronous Support in the Component Model01:01:29 Exploring WASI P3 and Async Support01:10:36 More about the Component Model01:22:39 The Role of the Bytecode Alliance01:26:57 Akamai's Interest in WebAssembly01:31:29 Exploring WebAssembly Use Cases01:37:27 Future of WasmTime Development01:40:24 Understanding WasmTime's Architecture01:44:34 Getting Started with WasmTime01:51:19 Security and Testing in WasmTime01:56:11 OutroNetstack.FMMore information: https://netstack.fm/#episode-24Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 23 — Protocol Shorts: HTTP as an Application Bus.This is the debut of our "Protocol Shorts" series: fast-paced, high-density conversations with one or more expert guests centered around a common theme. In the "HTTP as an application bus" episode, we’re breaking down the tunneling renaissance—specifically the clever 'protocol-within-a-protocol' hacks that are changing the game.From hijacking H2 CONNECT to run full-duplex WebSockets, to the subtle ways we’re now nesting modern traffic inside older transports, we’re looking at how the network layer is being rewritten from the inside out.Learn more:https://grpc.io — Official gRPC website.https://grpc.io/docs/platforms/web/ — Overview of gRPC Webhttps://github.com/hyperium/tonic — Tonic, the most popular gRPC implementation in Rusthttps://developers.google.com/protocol-buffers — Protocol Buffers documentation explaining the IDL, encoding, and ecosystem behind gRPC.https://datatracker.ietf.org/doc/html/rfc7540 — HTTP/2 specificationhttps://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API — WebSockets API overview, including framing, duplex communication, and browser support.https://datatracker.ietf.org/doc/html/rfc6455 — WebSocket protocol specification describing frames, ping pong, and connection upgrade.RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Welcome Lucio, 1st guest of this protocol shorts episode01:52 Understanding HTTP/2 and Metadata Frames05:32 Limitations of gRPC Web and Client Streaming08:28 Encoding Formats: Protobuf vs JSON11:18 gRPC in Browser Contexts14:16 The Future of gRPC with HTTP/3 and QUIC18:03 Introduction to Brecht, 2nd guest of this episode20:00 Understanding HTTP/2: Features and Use Cases26:34 Custom Protocols Over HTTP/231:52 Exploring WebSockets: Basics and Applications37:05 WebSockets: Advanced Use Cases and Multiplexing41:40 OutroNetstack.FMMore information: https://netstack.fm/#episode-23Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 22 — Rust URL with Simon Sapin.In this episode of Netstack.fm, Simon Sapin discusses building the rust-url crate based on the WHATWG URL specification. He also highlights that IDNA support was integrated to handle internationalized domain names, which includes critical security checks to prevent phishing from "confusable" characters that look identical to users.Learn more:https://docs.rs/url — rust-url is an implementation of the URL Standard for the Rust programming languagehttps://docs.rs/idna — IDNA (Internationalizing Domain Names in Applications) and Punycodehttps://docs.rs/idna_adapter — unicode back end for the idna cratehttps://docs.rs/form_urlencoded — Parser and serializer for the application/x-www-form-urlencoded syntax, as used by HTML formshttps://docs.rs/percent-encoding — Percent encoding and decodinghttps://servo.org/ — official servo websitehttps://url.spec.whatwg.org/ — WHATWG URL Specificatonhttps://datatracker.ietf.org/doc/html/rfc5890 — Internationalized Domain Names for Applications (IDNA) (RFC)https://exyr.org/ — official website of Simon SapinRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:50 Get to know Simon Sapin05:35 Origin of rust-url07:19 Implementing Specifications in Rust10:05 Understanding IDNA and Its Importance11:17 Origins of form-url / percent encoding crates12:36 The Role of Percent Encoding in URLs13:21 IDNA Crate Origin15:41 Challenges with IDNA and Usability30:13 unpacking the rust-url crate39:25 Understanding URL Specifications and Compatibility45:10 Url Crate Parser52:41 Surprising Insights into URL Implementation01:01:41 Final words01:14:07 OutroNetstack.FMMore information: https://netstack.fm/#episode-22Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 21 — GraphQL and Rust with Tom Houlé.In this episode of Netstack.fm, Glen and Tom Houlé discuss GraphQL's transition from a high-hype mobile data solution at Facebook to a mature enterprise technology. They explore technical challenges like the N+1 problem and persisted queries, as well as the rise of GraphQL Federation for unifying microservices in Rust-based gateways. Tom also highlights GraphQL’s future potential as a self-documenting interface for LLMs and its healthy, community-driven development.Learn more:https://www.tomhoule.com — Personal website of Tom Houléhttps://graphql.org/learn/ — Learn GraphQLhttps://www.jovidecroock.com/blog/graphql-myths/ — GraphQL Myths (about trusted documents — Jovi De Croock)https://benjie.dev/graphql/trusted-documents — Another great blog post about trusted documents, by Benjiehttps://www.apollographql.com/docs/graphos/schema-design/federated-schemas/federation — Introduction to GraphQL Federation (Apollo)https://github.com/graphql/composite-schemas-spec/ — The Composite Schemas specification, the vendor neutral next iteration of federationhttps://www.youtube.com/watch?v=E_RETbpPogw — Transforming Capital One’s Data Marketplace with Embedded Governance and a Product Mindset (enterprise adoption)https://relay.dev/docs/ — Relay docsRust Crates:https://github.com/async-graphql/async-graphql — async-graphql, the server frameworkhttps://github.com/graphql-rust/graphql-client/ — graphql-clienthttps://github.com/obmarg/cynic — cynichttps://www.youtube.com/@GraphQLFoundation — @GraphQLFoundation on YouTubehttps://www.youtube.com/@graphqltv — @GraphQL TV on YouTubehttps://grafbase.com/blog/seamless-grpc-subgraphs-with-extensions-and-composite-schemas — Seamless gRPC subgraphs with extensions and composite schemasRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:39 Meet Tom Houlé03:24 Origins of GraphQL10:05 The Shift to Persistent Queries in GraphQL18:09 GraphQL's Role in Frontend and Backend Development21:11 Challenges and Criticisms of GraphQL24:07 Optimizing GraphQL for Performance35:06 Schema first vs Code first40:44 Optimizing GraphQL Server Query Implementations44:39 GraphQL Federation: A Unified Approach51:08 Authentication in GraphQL: Challenges and Solutions01:05:23 The Future of GraphQL: Trends and Innovations01:16:03 OutroNetstack.FMMore information: https://netstack.fm/#episode-21Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 20 — Netstack.FM New Year Special, 2025 Wrap-Up.This New Year special reflects on the first nineteen episodes of netstack.fm, highlighting key lessons about networking, Rust, open source, and the people behind the protocols and systems that power the internet. It also looks at the evolution of the Rama framework and sets the stage for continued learning, collaboration, and new conversations in the year ahead.Learn more:https://github.com/plabayo/rama — rama repositoryhttps://github.com/plabayo/rama/discussions/782 — rama-0.3.0-alpha.4 releasehttps://ramaproxy.org/ — rama official websitehttps://ikorason.dev/posts/from-frontend-to-low-level-networking-my-journey-to-contributing-to-open-source — irfan's blog articleChapters00:00 Intro00:54 Introduction and Year In Review03:28 Insights from Guests and the 2025 episodes22:21 Rama Testimonials27:28 Rama in 202631:07 Closing Message32:07 OutroNetstack.FMMore information: https://netstack.fm/#episode-20Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 19 — Firezone and Zero-Trust Network Security with Thomas Eizinger.In this episode of Netstack.fm, Glen talks with Thomas Eizinger from Firezone about designing a zero trust enterprise VPN built on top of WireGuard. They break down how modern VPNs work in practice, covering virtual network adapters, split tunneling, DNS interception, policy based access, and secure packet routing using WireGuard, ICE, and TURN relays.The discussion highlights how Firezone differs from legacy VPNs by focusing on performance, reliability, and minimal user friction, while also touching on the role of Rust and Elixir in Firezone’s architecture and the long term importance of IPv6 adoption.Learn more:https://github.com/firezone/firezone — Firezone main repositoryhttps://github.com/firezone/firezone/tree/main/rust/relay/ebpf-turn-router — Firezone eBPF in kernel relay routerhttps://www.firezone.dev/kb/architecture/critical-sequences#detailed-connection-setup — Firezone Connection Setuphttps://www.wireguard.com/papers/wireguard.pdf — WireGuard whitepaperhttps://github.com/firezone/boringtun — Firezone fork of boringtun user space WireGuardhttps://www.rfc-editor.org/rfc/rfc8656 — TURN RFC 8656https://x.com/firezonehq — Firezone on Xhttps://x.com/oetzn — Thomas Eizinger on Xhttps://hachyderm.io/@wheezle — Thomas Eizinger on Mastodonhttps://github.com/thomaseizinger — Thomas Eizinger on GitHubRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:42 Introduction to Thomas Eizinger05:19 Firezone's Turn implementation11:00 Understanding VPNs and Firezone's Approach29:27 Legacy VPNs vs. Firezone: A New Era of Networking36:19 Firezone is opensource37:27 Zero-Trust VPNs40:28 What is WireGuard43:36 Firezone's Integration with WireGuard50:19 Handling Connection Failures58:00 Geolocation and Relay Selection01:04:45 Elixir Developer Experience (DX)01:10:19 IPv6 Adoption and Future Considerations01:15:03 OutroNetstack.FMMore information: https://netstack.fm/#episode-19Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 18 — Curiosity, Quake, and Networking with Fabien Sanglard.Glen talks with Fabien Sanglard about curiosity driven engineering, from early computers and classic games like Doom and Quake to modern Android development and ADB. They discuss how networking evolved in games, why latency shaped multiplayer design, how Rust improves reliability in large systems, and why writing and diagrams are powerful tools for truly understanding complex technologies.Learn more:https://fabiensanglard.net/ — Fabien Sanglard’s Bloghttps://fabiensanglard.net/quake_chunnel/ — How quake.exe got its TCP/IP stackRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:19 Fabien's background07:02 Android Debug Bridge (ADB)11:05 Fabien's Blog16:45 mDNS and Blog Target Audience24:23 Quake TCP/IP32:37 Nostalgia with Pink Glasses37:58 Later Quake Versions39:58 Fabien's books41:53 The importance of Diagrams in documentation47:19 Lessons that can be learned from ADB51:58 Rust Iteration Speed59:22 OutroNetstack.FMMore information: https://netstack.fm/#episode-18Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 17 — Early Web History and Interlisp with Larry Masinter.We sit down with internet pioneer and longtime IETF contributor Larry Masinter to revisit the origins of many technologies developers use every day. From his early days at Xerox PARC to co-authoring foundational RFCs on HTTP, URIs, and more, Larry shares first-hand stories that connect the early web to the world we build in now. The conversation also explores his current passion project: reviving the Interlisp environment as a living historical system.Learn more:https://larrymasinter.net/ — Official website from Larry Masinterhttps://www.rfc-editor.org/rfc/rfc2616 — RFC 2616 – HTTP/1.1 Specificationhttps://www.rfc-editor.org/rfc/rfc3986 — RFC 3986 – URI Generic Syntaxhttps://www.rfc-editor.org/rfc/rfc2324 — RFC 2324 – Hypertext Coffee Pot Control Protocolhttps://www.rfc-editor.org/rfc/rfc2732 — RFC 2732 – Literal IPv6 Addresses in URLshttps://datatracker.ietf.org/doc/html/draft-masinter-dated-uri — Draft: the 'tdb' and 'duri' URI schemes, based on dated URIshttps://interlisp.org — The Interlisp Revival ProjectRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:34 Introduction to Larry Masinter05:32 The Intellectual Environment at Xerox PARC06:49 The Interlisp Project and Its Impact10:05 Transitioning to Document Servers and HTTP12:02 Resources, Gopher and the Early Web15:45 Why did HTTP succeed where Gopher faded away20:56 Larry's Involvement in Web Standards and Protocols25:11 Reviving Interlisp post-pandemic27:13 interlisp.org, 5 years later32:57 The Tradition of April 1st RFCs33:51 Invention of Hypertext Coffee Pot Control Protocol (1998)37:04 The Invention of HTCPCP40:55 Exploring URI Schemes47:58 Form-Based File Upload49:12 The Politics of Web Standards01:05:12 The Evolution of Web Protocols01:05:53 Developing in the Interlisp Environment01:14:03 Goals of the Interlisp Revival Project01:23:39 Collaborations and Future Aspirations01:25:09 OutroNetstack.FMMore information: https://netstack.fm/#episode-17Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 16 — WebRTC and Sans IO with Martin Algesten.We sit down with Rust developer Martin Algesten for a deep dive into WebRTC and the Sans IO approach to protocol design. Martin traces the surprising origins of WebRTC, explains why real time media over UDP is both powerful and painfully complex, and walks through how peer to peer connections work under the hood. The conversation then shifts to Sans IO design, why it matters for clean protocol implementations in Rust, and how Martin applies it in his own WebRTC stack, str0m.Learn more:https://github.com/algesten — Github profile of Martin Algestenhttps://github.com/algesten/str0m — A Sans I/O WebRTC implementation in Rusthttps://github.com/algesten/dimpl — DTLS 1.2 implementation (Sans‑IO, Sync)https://datatracker.ietf.org/doc/rfc8489/ — Session Traversal Utilities for NAT (STUN)https://datatracker.ietf.org/doc/rfc8656/ — Traversal Using Relays around NAT (TURN)https://www.w3.org/TR/webrtc/ — WebRTC: Real-Time Communication in BrowsersRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:40 Get to know Martin Algensten06:16 A bit of WebRTC history09:38 WebRTC 10130:05 P2P and Stun36:00 WebRTC: stages and flow from start to finish45:43 How Martin got into WebRTC and started the str0m project52:36 What is Sans IO?01:06:36 Why DTLS is not Sans IO in Str0m, but Str0m is01:18:34 OutroNetstack.FMMore information: https://netstack.fm/#episode-16Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

episode 15 — Pingora with Edward and Noah from Cloudflare.In Episode 15 of netstack.fm, Glen sits down with Edward and Noah from Cloudflare to unpack the design of Pingora, the Rust based proxy framework that now powers Cloudflare’s origin facing traffic. The discussion covers why Cloudflare moved away from NGINX, how Pingora differs from Oxy, and what it takes to operate a high performance global proxy at massive scale. Listeners will learn about connection reuse strategies, dynamic traffic handling, gRPC and protocol translation, custom HTTP implementations, TLS backend choices, and the practical trade offs of Rust, Tokio, and work stealing in real production systems. It is an episode full of deep technical insights into building and operating modern networking infrastructure.Learn more:https://blog.cloudflare.com/how-we-built-pingora-the-proxy-that-connects-cloudflare-to-the-internet/ — Pingora's introduction bloghttps://blog.cloudflare.com/pingora-open-source/ — Pingora launch blog post (Cloudflare)https://github.com/vicanso/pingap — pingap, built on top of pingorahttps://blog.cloudflare.com/road-to-grpc/ — Cloudflare gRPC and gRPC Web articlehttps://github.com/hyperium/h2 — Hyperium h2 cratehttps://github.com/cloudflare/quiche — Quiche (QUIC and HTTP3 implementation)https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ — Cloudflare Rapid Reset HTTP2 attack analysishttps://csrc.nist.gov/pubs/fips/140-3/final — NIST FIPS 140-3 publicationhttps://blog.cloudflare.com/introducing-oxy/ — Introducing Oxy (Cloudflare)https://blog.cloudflare.com/oxy-extensibility/ — Oxy's extensions via genericshttps://blog.cloudflare.com/20-percent-internet-upgrade/ — Oxidizing other CDN components for performancehttps://github.com/cloudflare/foundations — Cloudflare's foundations crateRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:37 A bit of background on the episode and our guests03:18 The Evolution of Proxy Frameworks: Oxy vs. Pingora14:59 The Philosophy Behind Pingora's Design20:53 Understanding Pingora's Bare Bones Structure27:50 Metrics and Observability in Pingora39:19 Caching Strategies and Backend Structures42:56 Usage of OnceCell45:39 TLS Implementations and Their Importance50:51 Dynamic Traffic Management and gRPC Support01:02:10 Optimizing Connection Reuse with Pingora01:07:10 The Importance of Layer 7 Processing01:11:16 The Shift from Static to Dynamic Web Traffic01:18:48 Performance Improvements with Rust and Tokio01:26:00 Memory Management and Allocation Strategies01:37:59 OutroNetstack.FMMore information: https://netstack.fm/#episode-15Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

Episode 14 – Roto And Cascade with Terts and Arya from NLnet Labs.In this episode we have a conversation with Terts and Arya from NLnet Labs. Together we explore their paths into systems programming, the mission of NLnet Labs, and the critical internet infrastructure the organization maintains. The discussion spans DNSSEC, large scale DNS operations, Rotonda, and the Roto scripting language, with deep dives into performance engineering, zero copy design, and building resilient open source networking software. It is a technical episode that highlights the people and ideas behind essential internet protocols.Learn more:https://www.nlnetlabs.nl/ — NLnet Labs websitehttps://github.com/NLnetLabs/cascade — A friendly DNSSEC signing solutionhttps://indico.dns-oarc.net/event/55/contributions/1186 — slides of conference talk introducing Cascadehttps://github.com/NLnetLabs/rotonda — Modular, programmable BGP Enginehttps://github.com/NLnetLabs/roto — strongly-typed, compiled embedded scripting language for Rusthttps://www.youtube.com/watch?v=7xJEFPlfy7Y — EuroRust 2025 talk by Terts on Rotohttps://docs.rs/domain/latest/domain/new/base/wire/index.html — domain's zerocopy modulehttps://bal-e.org/blog/ — Blog from Aryahttps://2026.rustweek.org/ — RustWeek 2026 (with open CFP until EOY 2025)RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro01:14 Backgrounds of Terts and Arya10:37 Overview of NLnet Labs17:43 Understanding DNSSEC25:29 The Role of Cascade in DNSSEC41:06 Understanding Roto and Rotonda45:55 The Evolution of Roto's Scripting Language49:34 Integration and Efficiency in Roto52:05 Real-World Applications of Roto01:00:36 The Importance of Data Structures in Performance01:06:34 Optimization Strategies for High Performance01:17:14 Zero-Copy Techniques in DNS Handling01:26:06 OutroNetstack.FMMore information: https://netstack.fm/#episode-14Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj

Episode 13 – Inside Ping Proxies with Joseph Dye.In this episode of Netstack.fm, Glen from Plabayo talks with Joseph Dye (Joe), founding engineer at Ping Proxies, about building large-scale proxy infrastructure in Rust. Joe shares how he went from art student to programmer, joining Ping when it was a tiny startup running on Python and Squid. He explains how they rebuilt everything in Rust, creating performant HTTP and SOCKS5 proxies and managing massive IP networks for web scraping. The conversation covers the evolution of their stack, challenges with HTTP versions, TCP/IP fingerprinting, user-space networking with DPDK, and the adoption of MASQUE and HTTP/3. Joe also reflects on Rust’s safety benefits, being the only Rust engineer at Ping, and how the company stays competitive through technical innovation rather than size.Learn more:https://github.com/smoltcp-rs/smoltcp — A Rust-based user-space TCP/IP stackhttps://dpdk.org — The Data Plane Development Kit for high-performance packet processing and kernel bypasshttps://github.com/cloudflare/quiche — Cloudflare’s QUIC and HTTP/3 implementation, mentioned for MASQUE support w/ tokio supporthttps://github.com/tokio-rs/tokio — The asynchronous runtime used by Ping Proxies for concurrencyhttps://github.com/hyperium/h2 — Rust’s HTTP/2 library, referenced as part of Ping Proxies’ stackhttps://github.com/hyperium/h3 — Rust’s HTTP/3 library, used for advanced proxy tunnelinghttps://datatracker.ietf.org/doc/rfc9298 — Proxying UDP in HTTP (MASQUE)https://ipxo.com — Marketplace for leasing IP addresses, discussed in how Ping acquires IP rangeshttps://pawns.app/sdk/ — Example of SDK-based residential proxy provider referenced in the episodeRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:41 Introduction to Proxies and Joe's background03:42 Understanding Pink Proxies and Their Offerings06:52 The Technical Journey: From Squid to Rust09:47 Proxy Types: Data Center vs. Residential12:42 Building a Proxy Infrastructure15:44 Challenges with HTTP Protocols18:39 The Importance of Customization in Proxy Development21:38 Team Dynamics and Future Growth29:32 Transitioning to Rust Development30:59 Understanding HTTP Protocols32:40 Exploring HTTP/2 and HTTP/334:05 The Future of Proxying with Mask36:14 Evaluating New Technologies for Proxies37:51 Developing for End User Devices39:49 Challenges in Network Stack Development41:15 Proxying Non-HTTP Traffic42:51 TCP/IP Fingerprinting Explained47:57 The Importance of TCP/IP Fingerprinting53:28 Performance Considerations in User Space TCP58:22 Competing in the Proxy Market01:00:05 Cancellation Safety in Rust Concurrency01:03:53 OutroNetstack.FMMore information: https://netstack.fm/#episode-13Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 12 – Oxide Networking with Ryan Goodfellow.A conversation with Ryan Goodfellow about Rust networking at Oxide. We will explore the Oxide computer stack with a focus on network, including their fully integrated cloud computer, programmable networking with P4 and Dendrite, the Maghemite routing stack, and OPTE — a Rust-based packet engine running inside the kernel. Ryan also shares how his background in large-scale network testbeds led him to help design Oxide’s rack-scale system and its modern approach to routing, observability, and hardware–software co-design.Learn more:https://oxide.computer/ — Oxide Computer Companyhttps://github.com/oxidecomputer/opte — OPTE (Oxide Packet Transformation Engine)https://github.com/oxidecomputer/maghemite — Maghemite (Routing Stack)https://github.com/oxidecomputer/dendrite — Dendrite (P4 Switch Control)https://github.com/oxidecomputer/hubris — Hubris (Rust OS for Microcontrollers)https://github.com/oxidecomputer/falcon — Falcon (Virtual Rack Testbed)https://rfd.shared.oxide.computer/rfd/0347 — RFD 347 (Delay-Driven Multipath Routing (DDM))https://groups.csail.mit.edu/ana/Publications/PubPDFs/Tussle2002.pdf — The Tussle in Cyberspace (Paper)https://named-data.net/project/ndn/ — Named Data Networking Projecthttps://www.sigcomm.org/ — ACM SIGCOMM Conferencehttps://www.usenix.org/conference/nsdi26 — USENIX NSDI Symposiumhttps://oxide-and-friends.transistor.fm/episodes/the-frontend-of-the-computer — Oxide & Friends (Dropshot Episode)RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:44 Meet Ryan Goodfellow06:23 Building Large-Scale Test Beds07:46 The future of the internet10:54 Overview of Oxide's Rack Scale Computer19:36 Exploring BGP and Routing Protocols26:02 The X4C Compiler and Its Origins39:43 Programming for Tofino and Observability45:10 Life of packets of an HTTP Web (Oxide Rack) server01:01:58 Exploring Maghemite: The Routing Stack01:12:45 Future Directions: Rust-Based Operating Systems01:19:28 Testing Strategies and the Falcon Framework01:27:25 OutroNetstack.FMMore information: https://netstack.fm/#episode-12Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 11 – Modern networking in Firefox with Max Inden.A conversation with Max Inden, Staff Software Engineer at Mozilla, about modernizing Firefox’s networking stack in Rust. We cover his work on the QUIC and HTTP/3 stack — improving UDP I/O, congestion control, and overall performance — and why QUIC matters as a fast, encrypted, and evolvable transport for HTTP/3, WebTransport, and beyond.Learn more:https://max-inden.de/ — Personal website of Max Indenhttps://max-inden.de/post/fast-udp-io-in-firefox/ — Fast UDP I/O for Firefox in Rust — by Max Indenhttps://archive.fosdem.org/2025/schedule/event/fosdem-2025-4229-getaddrinfo-sucks-everything-else-is-much-worse/ — getaddrinfo sucks, everything else is much worse — Talk by Valentin Gosuhttps://github.com/mozilla/neqo — Mozilla Neqo (HTTP/3 and QUIC stack)https://datatracker.ietf.org/doc/html/rfc9000 — RFC 9000 – QUIC: A UDP-Based Multiplexed and Secure Transporthttps://datatracker.ietf.org/doc/html/rfc9114 — RFC 9114 – HTTP/3https://datatracker.ietf.org/doc/html/rfc9462 — RFC 9462 – Discovery of Designated Resolvershttps://www.rfc-editor.org/rfc/rfc8484.html — RFC 8484 – DNS Queries over HTTPS (DoH)https://datatracker.ietf.org/doc/draft-ietf-happy-happyeyeballs-v3/ — Happy Eyeballs Version 3 (Draft)https://github.com/microsoft/msquic — Microsoft MsQuichttps://developer.mozilla.org/en-US/docs/Web/API/WebTransport — WebTransport API documentationhttps://datatracker.ietf.org/wg/masque/about/ — MASQUE (Proxy) protocol introductionhttps://www.ietf.org/ — Internet Engineering Task Force (IETF)https://www.ietf.org/meeting/ — IETF MeetingsRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:38 Introduction to Max Inden03:27 Max Inden's Journey to Mozilla06:32 The Role of IETF in Internet Design09:42 QUIC and HTTP/3 in Firefox12:27 Understanding HTTP/3 Upgrade Mechanisms15:15 Challenges with UDP and Firefox's Networking Stack18:15 Optimizing UDP I/O for Performance21:36 Cross-Platform Performance Considerations24:23 Network Drivers and Their Impact27:18 Exploring Happy Eyeballs and Connection Strategies30:07 WebTransport and Future of QUIC32:56 Contributions to Firefox and Open Source36:05 Happy Eyeballs and related56:15 Github Git Hosting57:24 Quic Usage within Firefox01:03:02 Closing Thoughts and call to Action01:06:44 OutroNetstack.FMMore information: https://netstack.fm/#episode-11Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

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 verifierhttps://github.com/rust-lang/rust/issues/99571 — Safe Transmute tracking issuehttps://github.com/rust-lang/unsafe-code-guidelines — Unsafe Code Guidelines WGhttps://docs.rs/zerocopy/latest/zerocopy/ — ZeroCopy documentationhttps://docs.rs/zerocopy-derive/latest/zerocopy_derive/ — ZeroCopy derive macroshttps://fuchsia.dev/fuchsia-src/get-started/learn/intro/architecture — Fuchsia networking architecturehttps://docs.kernel.org/networking/scaling.html — Scaling in the Linux Networking Stackhttps://www.youtube.com/watch?v=rFejpH_tAHM — dotGo 2015 - Rob Pike - Simplicity is ComplicatedRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:39 Introduction to Joshua Liebow-Feeser01:34 Joshua's Journey into Software Development11:41 The Origins of Netstack 317:21 The Philosophy Behind Netstack 323:03 The Role of Rust in Networking42:57 The Concept and Development of ZeroCopy53:10 Understanding Zero Copy and Its Constraints55:11 Exploring Memory Management in Networking59:23 Challenges with Variable Length Data Formats01:04:20 Async Programming and Its Implications01:11:13 Performance Considerations in Networking01:16:50 Ambition in Software Design and API Simplicity01:32:13 The Future of Networking and Rust's Role01:42:42 OutroNetstack.FMMore information: https://netstack.fm/#episode-10Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 9 – gRPC with Lucio Franco.A deep dive into the world of asynchronous networking in Rust with Lucio Franco, maintainer of Tonic, Tower, Tokio, and Hyper. We explore the origins and design of gRPC and its Rust implementation, Tonic—how it came to be, what problems it solves, and why it matters. Along the way, Lucio shares insights into open source collaboration, Google’s work on gRPC for Rust, and what the future might hold for the broader async Rust ecosystem.Learn more:https://github.com/hyperium/tonic — Tonic on GitHubhttps://github.com/tokio-rs/tokio — Tokio runtimehttps://github.com/tower-rs/tower — Tower libraryhttps://github.com/tower-rs/tower-grpc — Archived tower-grpc projecthttps://grpc.io/ — gRPC official sitehttps://github.com/hyperium/tonic/blob/master/examples/helloworld-tutorial.md — Tonic "hello world" tutorialhttps://docs.rs/tonic/latest/tonic/ — Tonic technical documentationhttps://twitter.github.io/finagle/ — Finaglehttps://github.com/linkerd/linkerd2 — linkerd2RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:45 Introduction to Lucio06:50 Lucio's Journey in Rust and Open Source14:45 Future of tower29:48 Exploring gRPC: Concepts and Features36:33 gRPC vs HTTP: A Comparative Analysis43:38 The Role of Proxies in gRPC Communication54:12 Integrating Tonic with Other Stacks59:15 Collaboration with Google on Tonic01:07:03 Getting Started with Tonic and gRPC01:09:48 Tonic Ecosystem: Recommended Crates01:14:19 The Naming of Tonic01:16:38 gRPC Web: Bridging the Browser Gap01:23:16 Proxying gRPC Data: Considerations and Challenges01:27:08 OutroNetstack.FMMore information: https://netstack.fm/#episode-9Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 8 – Fuchsia's Netstack3 with Bruno Dal Bo Silva.In this episode our guest is Bruno Dal Bo Silva, Staff Software Engineer at Google. We will dive into his path into networking and Rust, and the story behind netstack3, the Rust-based networking stack built for Google’s Fuchsia operating system. We cover its origins from the Go-based netstack, why Rust was chosen, and the challenges of implementing a full range of protocols — from TCP and UDP with their POSIX socket API to the many less-visible but essential pieces like ARP, ICMP, IPv6, DHCP, and more. We hope you brought a bowl as you're in or a juicy letter soup with this one. Bruno also shares insights on where he sees the future of netstack3 — including its potential beyond Google.Learn more:https://fuchsia.dev/netstack3 source code: https://fuchsia.googlesource.com/fuchsia/+/refs/heads/master/src/connectivity/network/netstack3/netstack3 publishing tracking bug: https://fxbug.dev/448156020Fast UDP I/O for Firefox in Rust: https://max-inden.de/post/fast-udp-io-in-firefoxRFC 2462 - SLAAC: https://www.rfc-editor.org/rfc/rfc2462smoltcp (Rust TCP/IP stack for embedded): https://github.com/m-labs/smoltcpRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:42 Introduction to Bruno and his Journey04:37 Bruno's Engineering Background and Its Impact06:56 Exploring Fuchsia: Overview and Architecture10:08 Transitioning to NetStack 3: The Rust Revolution17:35 Diving into Networking Protocols: Life of a Packet24:45 Understanding ARP and Ethernet Protocols28:00 Dynamic Host Configuration Protocol (DHCP) Explained34:41 The Future of Networking: IPv6 and Happy Eyeballs40:52 QUIC Protocol: User Space vs Kernel Space46:53 More about netstack3 and unsafe code usage55:22 Async usage in Netstack301:00:36 Comparing netstack3 with smolltcp01:04:50 Running your own TCP stack on the linux platform01:06:25 Roadmap to get fuchsia on crates.io01:11:37 Closing Thoughts and Future Directions01:15:32 OutroNetstack.FMMore information: https://netstack.fm/#episode-8Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 7 – Rustls with Dirkjan Ochtman.In this episode, we go through Dirkjan's extensive experience in software development, particularly focusing on Rust, TLS, and QUIC protocols.We explore Dirkjan his journey working on QUIC implementations to his contributions to Rust TLS and Hickory DNS. The conversation also delves into the ACME protocol and the Instant Domain Search project.Dirkjan shares insights on the future of Rustls and the importance of community support in open-source projects.Learn more:https://dirkjan.ochtman.nl/https://github.com/rustls/rustlsrustls 0.24 tracking issue: https://github.com/rustls/rustls/issues/2400HickoryDNS Let's Encrypt tracking issue: https://github.com/hickory-dns/hickory-dns/issues/2725https://github.com/djc/instant-acmehttps://instantdomainsearch.com/RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:44 Introduction to Dirkjan Ochtman02:02 Dirkjan's Rustls contributor origins04:18 Quic implications on Rustls13:35 Exploring the H3 Protocol and Its Challenges16:47 Contributions to Hickory DNS22:59 instant ACME28:43 R2D2 — Connection Pooling32:13 the EPP Protocol34:40 Insights from Working with Domain Registrars35:36 Rustls and Safety50:31 The Future of Rust TLS and Its Ecosystem54:50 OutroNetstack.FMMore information: https://netstack.fm/#episode-7Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 6 – Curl with Daniel Stenberg.In this episode of netstack.fm, Glen speaks with Daniel Stenberg, the creator and maintainer of Curl, one of the most widely used networking tools on the internet. They discuss Daniel's journey into programming and networking, the evolution of Curl from a simple tool to a comprehensive solution supporting multiple protocols, and the challenges of maintaining such a large open-source project. Daniel shares insights on the importance of community involvement, the complexities of debugging across various platforms, and his reflections on a 30-year journey with Curl. The conversation highlights the significance of open-source contributions and the future of Curl as a project.Learn more:https://curl.se/https://daniel.haxx.se/https://daniel.haxx.se/blog/https://github.com/curl/curlRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:36 Introduction to Curl and Daniel Stenberg05:20 Understanding Protocols and Specifications08:10 The Birth of Curl: From IRC Bot to Networking Tool12:46 Curl's Evolution and Protocol Support15:58 The Decision to Focus on Client-Side Development17:40 Current Protocol Support in Curl22:17 Managing Complexity in Curl's Codebase25:33 The Choice of C as the Programming Language28:33 Continuous Development and Community Engagement30:16 Balancing Work, Family, and Open Source Contributions36:37 Transitioning to Full-Time Work on Curl41:38 The Challenge of Funding Open Source Projects46:44 Exploring Commercial Opportunities with Curl49:53 Ensuring Curl's Longevity and Succession Planning51:58 Tackling Technical Challenges in Open Source Development57:05 Reflecting on a 30-Year Journey with Curl01:00:07 OutroNetstack.FMMore information: https://netstack.fm/#episode-6Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 5 – Tokio with Carl Lerche.In this episode of Netstack.fm, Glen speaks with Carl Lerche, the creator and maintainer of the Tokio Runtime, about his journey into technology, the evolution of programming languages, and the impact of Rust on the software development landscape. They discuss the rise of async programming, the development of networking libraries, and the future of Rust in infrastructure. Carl shares insights on the creation of the Bytes crate, the implications of io_uring, and his role at Amazon. The conversation also touches on the upcoming Tokio conference and the introduction of Toasty, a new query engine for Rust.Learn more:https://tokio.rs/https://www.tokioconf.com/https://github.com/carllercheRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:45 Origins of Carl04:01 Parallel between DotCom Bubble and current AI wave05:52 Origins of Carl... Continued09:12 Carl discovers Rust in 201413:40 Creation of mio17:39 mio, tokio and futures19:15 Powers of Rust25:57 io_uring26:12 The Evolution of IO-URing and Its Practicality29:40 Carl's job at Amazon and Tokio30:51 Maintaining Tokio today and beyond32:30 Toasty38:58 AI in Software Development: A Tool for Productivity49:20 First Tokio Conference53:10 Final words55:17 OutroNetstack.FMMore information: https://netstack.fm/#episode-4Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 4 – Datastar and Hypermedia.You can find a remastered version of this episode as episode 32 (https://netstack.fm/#episode-32) for an improved listening experience with better audio quality. Released on the 24th of March 2026. Please listen to that episode instead of this one.In this episode, Glen interviews Delaney, the creator of DataStar, a lightweight framework designed for building real-time collaborative web applications. Delaney shares his journey from being a 3D artist to a developer, emphasizing the importance of hypermedia and real-time visualization. The conversation delves into the efficiency of DataStar, its use of Server-Sent Events (SSE), and the framework's potential for collaborative web experiences. Delaney also discusses the challenges of WebSockets and introduces future projects like DarkStar, aimed at enhancing networking capabilities. Overall, the episode highlights the transformative potential of DataStar in modern web development. In this conversation, Delaney discusses the intricacies of DataStar, a real-time system for handling large volumes of messages. He emphasizes the importance of simplicity in programming, the significance of measuring performance, and the role of abstraction in software development. Delaney also explains the core functions of DataStar, including patch elements and signals, and how they facilitate real-time interactivity. The discussion touches on offline support, the growth of the DataStar community, and the non-profit model that supports its development. Delaney encourages developers to engage with the community and emphasizes the importance of building solutions to real problems.Learn more about Datastar and Hypermedia:https://data-star.dev/https://data-star.dev/reference/datastar_prohttps://hypermedia.systems/RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:42 Delaney and his background02:39 The Evolution of Hypermedia and Real-Time Systems06:27 SSE and Compression15:33 The Social Web23:01 Why use datastar?29:42 Web Transport and Darkstar33:55 DataStar and Future Directions46:04 Understanding Abstraction in Programming50:19 DataStar: Key Functions and Concepts53:27 Signals in DataStar: When to Use Them57:25 Front-End Validation and User Experience59:27 Offline Support and Web Applications01:02:56 The Growth of DataStar and Community Engagement01:07:09 The Challenges of Web Development01:09:26 AI and Its Role in Development01:13:22 DataStar and WebTransport: Future Directions01:16:33 Dynamic Content and DataStar's Use Cases01:18:35 Funding and Sustainability of Open Source Projects01:31:02 OutroNetstack.FMMore information: https://netstack.fm/#episode-4Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 3 – OpenTelemetry, eBPF and Metoro.You can find a remastered version of this episode as episode 35 (https://netstack.fm/#episode-35) for an improved listening experience with better audio quality. Released on the 15th of April 2026. Please listen to that episode instead of this one. It also includes content not released in this episode.In this conversation, Chris Batterbee, co-founder of Metoro, discusses the importance of observability in modern software systems, particularly in Kubernetes environments. He explains how Metoro leverages eBPF technology to simplify observability by automatically instrumenting applications. The discussion also covers the integration of OpenTelemetry, the challenges faced by developers in implementing observability, and the potential of AI in diagnosing issues. Chris shares insights from his experience with Y Combinator and the competitive landscape of observability tools, emphasizing the unique position of Metoro in the market.Learn more about OpenTelemetry, eBPF and Metoro:https://opentelemetry.io/https://ebpf.io/https://metoro.io/metoro demo: https://demo.us-east.metoro.io/guardian?startEnd=&service=OpenTelemetry metric examplar: https://opentelemetry.io/docs/specs/otel/metrics/data-model/#exemplarsRamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:41 Chris Batterbee his background02:27 eBPF intro in context of Metoro04:20 eBPF + OpenTelemetry06:37 Opentelemetry Experience14:19 WASM16:10 eBPF and Windows16:59 Y Combinator Experience23:52 OpenTelemetry standard25:50 Platform is king26:53 eBPF accessibility28:30 Future of Prometheus29:41 Metoro and LLMs32:14 Replacing Sentry and the like33:46 Profiling35:39 Metoro Subscription Models36:37 Final words38:57 OutroNetstack.FMMore information: https://netstack.fm/#episode-3Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

Episode 2 – Hyper with Sean McArthur.You can find a remastered version of this episode as episode 29 (https://netstack.fm/#episode-29) for an improved listening experience with better audio quality. Released on the 3rd of March 2026. Please listen to that episode instead of this one.In this episode, Glen interviews Sean McArthur, the creator and maintainer of the Hyper ecosystem. They discuss Sean's journey in software engineering, the evolution of Rust and asynchronous programming, and the growth of Hyper from its inception at Mozilla to its current status in the web development landscape. Sean shares insights on the creation of hyper, hyper-util, http, headers, the Warp framework, and the challenges of integrating HTTP/3 and QUIC. The conversation also touches on collaboration with cURL, the FFI layer, and Sean's aspirations for the future of Hyper and the broader ecosystem.Learn more about Sean McArthur, Hyper and Warp:https://seanmonstar.com/https://seanmonstar.com/sponsor/https://hyper.rs/https://seanmonstar.com/blog/async-hyper/https://github.com/hyperium/hyperhttps://github.com/seanmonstar/warphttps://seanmonstar.com/blog/warp/RamaIf you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.orgChapters00:00 Intro00:45 Introduction to Sean and the Hyper Ecosystem01:48 Sean's entrance into Rust06:17 The Impact of Mozilla on Sean's Career07:54 The Development of Hyper and Its Challenges13:20 Realizing Hyper's Long-Term Potential15:32 The Creation of hyper-util and Its purpose17:32 http and headers crates22:40 Navigating API Design Challenges22:47 The Philosophy Behind Warp Framework26:43 Integrating HTTP/2 and HTTP/3 Support28:54 The Evolution of the Requests Library30:17 Commercial Aspects of Hyper31:31 The Complexities of HTTP/3 Integration34:35 Reflections on the cURL and Hyper Collaboration38:50 Maintaining Open Source Independence40:16 Future Aspirations for Hyper41:23 Encouraging Community Engagement in Open Source42:28 Final words43:57 OutroNetstack.FMMore information: https://netstack.fm/#episode-2Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

In the inaugural episode of NetStack FM, hosts Elizabeth and Glen introduce themselves and the purpose of the podcast, which is to explore the intersection of protocols and people in the tech industry. Glen shares his personal journey into technology, discussing his background in software development, gaming, and networking.The conversation highlights the challenges and learning experiences that shaped his careers, leading to the creation of Rama, a modular framework for building network services.The episode concludes with a preview of upcoming guests and topics, emphasizing the podcast's goal to educate and engage listeners in the world of networking and Rust.More information: https://netstack.fm/#episode-1Join our Discord: https://discord.gg/29EetaSYCDReach out to us: [email protected] for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.