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PODCAST

Chaos Computer Club - recent audio-only feed

Der Chaos Computer Club ist die größte europäische Hackervereinigung, und seit über 25 Jahren Vermittler im Spannungsfeld technischer und sozialer Entwicklungen.

technology

All Episodes

00:53:52

Making of DOGWALK (godotfest2025)

Chaos Computer Club - recent audio-only feed ·

2025/11/11

The *Blender Studio* is presenting the creation process and asset pipeline behind *DOGWALK*, a short open source game, centered around incorporating Blender & Godot. Get insight into the planning & game design of our brief 4 month production period, the paper-craft art style that resulted in a distinct low-poly look and our glTF & Blender Asset oriented pipeline, that allowed us to create & iterate directly in Blender for art-assets, animations and entire levels. Licensed to the public under

00:22:52

Collaborative Game Development with Godot:...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

Games can be more than finished products—they can be living classrooms. In this session, Sarah Spiers (Senior Producer of Threadbare, former Development Director at EA, Forbes 30 Under 30) and Will Thompson (open-source developer, Endless Access) will share how collaborative development with Godot can transform game-making into a pathway for new creators. Sarah will frame why open-source practices matter for the future of the industry and how collaborative models give new voices a way in. Will will

00:33:02

Slow network, fast money: How Deutsche Telekom breaks...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

In Europe, net neutrality is a principle enshrined in EU law which states that all data on the internet should be treated equally - but what happens when large providers such as Deutsche Telekom systematically violate it with their interconnection practices? The Netzbremse project documents an alarming case: millions of Deutsche Telekom customers are experiencing artificial throttling of their connection because Telekom refuses to expand its peering capacities appropriately. As the only internet

00:33:34

Compliance in Practice: Making NIS2 and ISO 27001...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

With NIS2, ISO 27001 and requirements of BNetzA raising the bar for security and operational compliance, many internet providers are asking the same question: *How do we meet these requirements without drowning in bureaucracy?* This talk bridges the gap between regulation and real-world implementation. Instead of focusing on theory or checklists, we’ll look at how to integrate compliance into the day-to-day work of running a network—with minimal friction. **Topics include:** - Turning compliance

00:09:02

CGNAT scale testing using TRex (denog17)

Chaos Computer Club - recent audio-only feed ·

2025/11/11

I would like to present my testing methodology and the results of using TRex to generate "stateful" traffic for the purpose of scale testing CGNAT solutions. The main focus of the test is to determine the actual scale around Juniper's SRX solution. Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this event: https://pretalx.com/denog17/talk/G8PZUA/

00:09:58

Baremetal Server Management with Redfish (denog17)

Chaos Computer Club - recent audio-only feed ·

2025/11/11

Managing bare metal servers has always been quite time-consuming and prone to errors. Manual steps are required to configure the BMC, adjust BIOS settings, and, if necessary, perform firmware updates. If you have many servers to manage, you have to repeat everything on each individual server which likely to cause errors and diverging configurations. We have been working for some time to automate all of this with Redfish. OpenStack Ironic helps with this, among other things, but it does not work

00:24:52

An introduction to qGIS for current Google Earth...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

The defacto standard in network planning is to use Google Earth for dealing with a large collection of kmz and kml files that are provided by partners. Sadly this can quickly introduce spontaneous combustion of your computer or at least of google earth, as the data collection can grow quite quickly and that software as probably never meant to deal with such an enourmous amount of geodata. Luckliy there is a widely adopted open source GIS software called qGIS that can help with exploring large

00:09:46

The return of EGP or the curious case of the BGP...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

The BGP Origin attribute has been around for decades and did not attract much attention. It is simply there, shown either as "?" for "incomplete" or as "i" for IGP. During writing slides for my BGP training I found a large number (868) of prefixes in the global routing table tagged with "e" for EGP. The presentation does not give any answers but simply raises the question who and why is playing with that attribute. Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this

00:51:53

Godot Foundation Q&A (godotfest2025)

Chaos Computer Club - recent audio-only feed ·

2025/11/11

Do you have any questions about Godot you would like to ask the people at the Godot Foundation? After a short update about the projects we are working on, feel free to ask anything! Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.godotfest.com/godotfest-25/talk/PDLJLM/

00:14:26

Opening Remarks (godotfest2025)

Chaos Computer Club - recent audio-only feed ·

2025/11/11

Welcome to GodotFest 2025 - the first entry of the GodotFest event series! Join us as we kick off two exciting days of talks, workshops, and community connections. We’ll introduce the event, thank our sponsors, and set the stage for an amazing conference celebrating the Godot Engine and its vibrant community. Get ready to dive into technical insights, creative presentations, hands-on workshops, and networking opportunities with fellow Godot enthusiasts from around the world. Whether you’re a

00:30:34

The Asian internet - A guide for the uninitiated...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

The Internet is not the same everywhere. And in Asia, the world’s most populous region with some of the fastest growing economies, it can be especially complex. Join Telstra to learn about how differently the Internet operates in Asia compared to Europe and North America, how those behaviour are likely to change as the impact of new AI workloads is felt across global networks, and what variables you need to think about when architecting your own network so that your company can make the most of the

00:32:53

PPPoE vs IPoE: A Practical Guide for ISPs (denog17)

Chaos Computer Club - recent audio-only feed ·

2025/11/11

**Is PPPoE really legacy? Is IPoE really better? And what actually happens when something breaks?** This talk takes a hands-on look at PPPoE and IPoE (DHCPv4/v6) in real ISP environments, based on actual deployments, not just specs. We’ll walk through the key operational differences that show up when things get serious: high availability, failover, MTU handling, multicast, and how dual-stack plays out in practice. We’ll also dive into the hidden pain points, like why hardware offloading fails in

00:24:32

Uncovering Blackholes: Advanced Detection Techniques...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

Blackholing events often have prolonged impacts and typically require manual intervention for recovery. Even a single occurrence is highly disruptive, frequently triggering executive-level escalations. Resolving such incidents demands top-tier expertise and often involves engagement with the vendor’s advanced technical support. To accelerate root cause identification, we present several methods for detecting blackholing events, identifying the affected transit flows, and analyzing potential

00:25:26

Making Network Automation Consumable: A Junior...

Chaos Computer Club - recent audio-only feed ·

2025/11/11

As a Junior Engineer, the consumability of a network automation tool can really make or break your experience. Some incredibly smart engineers and developers build amazing tools for specific use cases, but they can be tough to use unless you know all their quirks. This is especially frustrating when you're just starting out. That is why I want to share a small project I worked on including all the applications I used and what I learned from it. Fancy tools are great, but at the end of the day,

00:05:40

Day 1 Closing (denog17)

Chaos Computer Club - recent audio-only feed ·

2025/11/10

That's a wrap on Day1, time for the social! Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this event: https://pretalx.com/denog17/talk/MVDVUL/

00:28:07

Forwarding packets at scale - Building a Cloud Data...

Chaos Computer Club - recent audio-only feed ·

2025/11/10

At Hetzner we’ve historically used an Open vSwitch based data plane for connecting hundred thousands of cloud servers to the network. This has served us well for many years and mostly still does. We have however reached some limitations and wanted to improve scalability, resiliency and flexibility with a more specialized data plane that's tailored to our needs while being easy to operate and building a strong foundation for new features. When checking our options back in 2022, the team reached the

00:24:23

Channelmania! – future proof your DWDM network...

Chaos Computer Club - recent audio-only feed ·

2025/11/10

Past approaches for maximizing the data capacity per fiber pair went for running more and more DWDM channels with grid spacings as small as possible. This meant that grid spacings shrank from 200GHz to 100Ghz and then 50GHz with some applications even going for 25Ghz. In recent years the bandwidth per channel kept increasing, as complex modulation schemes came into favor over ON-OFF-Keying which has been a staple in fiber optic communication for decades. Those increased per channel bandwidths of

00:26:52

Ultra Ethernet: Addressing AI/HPC Interconnect...

Chaos Computer Club - recent audio-only feed ·

2025/11/10

For years, InfiniBand has dominated high-performance interconnects. Yet for strategic and technical reasons, there has been a huge industry ask to develop a new next-generation protocol for use in AI and HPC environments. This session introduces Ultra Ethernet, an innovative standard designed to tackle the limitations seen in RDMA around scalability, latency and congestion management, crucial for democratizing future AI/HPC build outs. Join us for a comprehensive exploration of the technologies

00:29:53

Inventing the wheel - Network Orchestration at scale...

Chaos Computer Club - recent audio-only feed ·

2025/11/10

At DE-CIX, we're redefining network orchestration from first principles. Confronted with the limitations of existing systems, we set out to design a modern orchestration stack—one capable of managing a truly global network, seamlessly interfacing with a variety of upstream and downstream systems, supporting fully managed network devices, and, above all, delivering uncompromising reliability. In this talk, we share our transformation journey—from our starting point to our vision for the future

00:11:45

400G ZR+ BiDi does not exist, it can't hurt you. Or...

Chaos Computer Club - recent audio-only feed ·

2025/11/10

As it's common practice, each new hacker event needs something weird and funky. For this years summer camp in the Netherlands called WHY2025, we build a 400G link over a single fibre. Since 400G BiDi does not exist (yet), we had to get creative and built something, which might be considered out of spec. Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this event: https://pretalx.com/denog17/talk/KLXJS8/

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