Beyond the Buzz: Embracing the Magic of eBPF in Kubernetes
Tags: ebpf, ia
Published: 2024-04-10 14:02:32

---
title: Beyond the Buzz: Embracing the Magic of eBPF in Kubernetes
published: true
description: During the AI hype times, KubeCon Europe 2024 unveiled a refreshing focus on eBPF. Unlike the uncertain promises of AI, eBPF offers immediate solutions for network security, observability and performance in Kubernetes environments, embodying tangible progress. This blog post explores how eBPF redefines efficiency and delivers real-world results in cloud-native ecosystems.
tags: ebpf, ia
cover_image: https://dev-to-uploads.s3.amazonaws.com/uploads/articles/lpj2pkjc4s13930rag6o.png
# Use a ratio of 100:42 for best results.
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## Beyond the Buzz: Embracing the Magic of eBPF in Kubernetes
In a time where the buzz around Artificial Intelligence (AI) seems to overshadow everything else, this year's KubeCon Europe offered a refreshing perspective. While AI continues to be a hot topic, some in the Kubernetes community are starting to feel a bit tired of it. With all the hype and uncertainty surrounding AI, another hero has emerged: eBPF (Extended Berkeley Packet Filter).
### AI: A Distant Shining Horizon
AI has certainly added some excitement to discussions about cloud-native technologies, from automating cluster troubleshooting to hosting AI on Kubernetes. But not everyone is fully on board. While AI has proved to be of great assistance - e.g. suggesting, fixing and reviewing code written by humans-  some folks worry that too much focus on AI might distract from more practical, ready-to-implement advancements. The feeling is clear: while AI offers lots of possibilities, the horizon is a bit uncertain and overly hyped.
### eBPF: Here and Now in Kubernetes Innovation
In contrast, eBPF is all about practical innovation. It's a technology that delivers real results, right here, right now. We need solutions for network security, observability, and performance today, and that's where eBPF shines. Unlike the abstract promises of AI, eBPF offers concrete tools and methods to improve Kubernetes environments immediately. For example, when it comes to network security, eBPF-powered tools like Cilium can do the job without needing the complexity of AI.
This shift towards valuing what's immediately useful over what's exciting but distant was noticeable at KubeCon. As we dive deeper into what eBPF can do, it becomes clear why this technology has captured the attention of the Kubernetes community.
### The Way Forward with eBPF
By embracing eBPF, the Kubernetes community isn't just adopting new tools; it's championing a philosophy of practical, tangible progress. As we explore the latest eBPF innovations – from better security to revolutionary observability tools – we see the benefits eBPF brings to Kubernetes. It's a journey grounded in reality, offering not just a vision of the future, but a roadmap to get there.

### Redefining Efficiency: eBPF's Radical Return to Linux's Roots

eBPF represents a refreshing departure from the conventional approach of stacking layer upon layer in pursuit of functionality, often resulting in bloated, resource-intensive systems, even for simple tasks like rendering a webpage or routing network packets between nodes or clusters. With eBPF, we're venturing back into the depths of the Linux system, where innovation meets efficiency. Here, we witness a paradigm shift—a departure from the status quo. The results speak for themselves: a [nearly negligible overhead](https://isovalent.com/blog/post/tetragon-release-10/#process-execution-tracking-at-less2percent-overhead) and remarkable responsiveness. In fact, eBPF brings us so close to real-time processing that it's revolutionizing how we think about performance in cloud-native environments. We're not just optimizing; we're redefining what's possible, and eBPF is leading the charge.

### eBPF talks from KubeCon 2024


* Cilium: Connecting, Observing, and Securing Service Mesh and Beyond with eBPF
Speakers: Liz Rice, Christine Kim, Nico Meisenzahl, Vlad Ungureanu
https://youtu.be/wq1TxZw1AaY?si=JTyhE333QfsGht0T

* Dealing with eBPF’s Observability Data Deluge
Speaker: Anna Kapuścińska
https://youtu.be/yWB8n_e4N14?si=OyMJEKzbxS5zxA5P

* Unlock Energy Consumption in the Cloud with eBPF
Speaker: Leonard Pahlke
https://youtu.be/lW9pZoKRJVs?si=rX5CQMaFuZBm8bBT

* Fast and Efficient Log Processing with Wasm and eBPF
Speaker: Michael Yuan
https://youtu.be/4u7nUpZxr3g?si=pkcpoEwOeDaH5HcE

* No 'Soup' for You! Enforcing Network Policies for Host Processes via eBPF
Speaker: Vinay Kulkarni
https://youtu.be/AWAf3H4Qwq8?si=qVqQfWb3J_905BCJ

* eBPF’s Abilities and Limitations: The Truth
Speakers: Liz Rice & John Fastabend
https://youtu.be/tClsqnZMN6I?si=TyMFTMk4Q45K6T2v